Dispatch the PTP ethertype to ptp_print()

This implements "IEEE 802.3/Ethernet" mode as described in annex F of
the PTP standard. This uses the same format packets, but directly over
Ethernet instead of encapsulated in UDP.

diff --git a/ethertype.h b/ethertype.h
index 109e8748d364d1a72fcfa88ed2a4ae90c8f6a811..33dcea9c57f13158334237a8cd13206b8a724c91 100644 (file)
--- a/ethertype.h
+++ b/ethertype.h
@@ -179,6 +179,9 @@
 #ifndef ETHERTYPE_AOE
 #define ETHERTYPE_AOE                  0x88a2
 #endif
+#ifndef ETHERTYPE_PTP
+#define ETHERTYPE_PTP                  0x88f7
+#endif
 #ifndef        ETHERTYPE_LOOPBACK
 #define        ETHERTYPE_LOOPBACK      0x9000
 #endif

diff --git a/print-ether.c b/print-ether.c
index c9d27d444eeeea2e32905931fb4b4cd2a309e994..74479ccf82fc40b39ed8dbc9a743eadb2a6d240e 100644 (file)
--- a/print-ether.c
+++ b/print-ether.c
@@ -100,6 +100,7 @@ const struct tok ethertype_values[] = {
     { ETHERTYPE_GEONET,         "GeoNet"},
     { ETHERTYPE_CALM_FAST,      "CALM FAST"},
     { ETHERTYPE_AOE,            "AoE" },
+    { ETHERTYPE_PTP,            "PTP" },
     { ETHERTYPE_ARISTA,         "Arista Vendor Specific Protocol" },
     { 0, NULL}
 };
@@ -600,6 +601,10 @@ ethertype_print(netdissect_options *ndo,
                aoe_print(ndo, p, length);
                return (1);
 
+       case ETHERTYPE_PTP:
+               ptp_print(ndo, p, length);
+               return (1);
+
        case ETHERTYPE_LAT:
        case ETHERTYPE_SCA:
        case ETHERTYPE_MOPRC:

diff --git a/tests/TESTLIST b/tests/TESTLIST
index 9d33686378a192441bb2eb8b98ce9479d4f54894..efb35a5f515e51229760eafe22db977999edcb0e 100644 (file)
--- a/tests/TESTLIST
+++ b/tests/TESTLIST
@@ -757,6 +757,7 @@ smb_data_print-oobr smb_data_print-oobr.pcapng smb_data_print-oobr.out -vv
 smb_data_print-segv smb_data_print-segv.pcapng smb_data_print-segv.out -vv
 #ptp tests
 ptp         ptp.pcap    ptp.out
+ptp_ethernet   ptp_ethernet.pcap       ptp_ethernet.out        -e
 
 # bad packets from Jason Xiaole
 ldp_tlv_print-oobr ldp_tlv_print-oobr.pcap ldp_tlv_print-oobr.out -v

diff --git a/tests/ptp_ethernet.out b/tests/ptp_ethernet.out
new file mode 100644 (file)
index 0000000..0ff3a61
--- /dev/null
+++ b/tests/ptp_ethernet.out
@@ -0,0 +1,205 @@
+    1  16:47:07.869101 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : sync msg, length : 44, domain : 0, reserved1 : 0, Flags [two step], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 0, control : 0 (sync msg), log message interval : 0, originTimeStamp : 0 seconds, 0 nanoseconds
+    2  16:47:07.870971 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : follow up msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 0, control : 2 (peer delay req msg), log message interval : 0, preciseOriginTimeStamp : 1582303626 seconds, 867062623 nanoseconds
+    3  16:47:08.079739 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 78: PTPv2, v1 compat : no, msg type : announce msg, length : 64, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 0, control : 5 (Other), log message interval : 1, originTimeStamp : 0 seconds 0 nanoseconds, origin cur utc :0, rsvd : 172, gm priority_1 : 128, gm clock class : 248, gm clock accuracy : 254, gm clock variance : 65535, gm priority_2 : 128, gm clock id : 0x7483efffff01ac16, steps removed : 0, time source : 0x50
+    4  16:47:08.868841 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : sync msg, length : 44, domain : 0, reserved1 : 0, Flags [two step], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 1, control : 0 (sync msg), log message interval : 0, originTimeStamp : 0 seconds, 0 nanoseconds
+    5  16:47:08.871699 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : follow up msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 1, control : 2 (peer delay req msg), log message interval : 0, preciseOriginTimeStamp : 1582303627 seconds, 867025483 nanoseconds
+    6  16:47:09.868779 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : sync msg, length : 44, domain : 0, reserved1 : 0, Flags [two step], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 2, control : 0 (sync msg), log message interval : 0, originTimeStamp : 0 seconds, 0 nanoseconds
+    7  16:47:09.871473 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : follow up msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 2, control : 2 (peer delay req msg), log message interval : 0, preciseOriginTimeStamp : 1582303628 seconds, 866947196 nanoseconds
+    8  16:47:10.079656 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 78: PTPv2, v1 compat : no, msg type : announce msg, length : 64, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 1, control : 5 (Other), log message interval : 1, originTimeStamp : 0 seconds 0 nanoseconds, origin cur utc :0, rsvd : 172, gm priority_1 : 128, gm clock class : 248, gm clock accuracy : 254, gm clock variance : 65535, gm priority_2 : 128, gm clock id : 0x7483efffff01ac16, steps removed : 0, time source : 0x50
+    9  16:47:10.868798 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : sync msg, length : 44, domain : 0, reserved1 : 0, Flags [two step], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 3, control : 0 (sync msg), log message interval : 0, originTimeStamp : 0 seconds, 0 nanoseconds
+   10  16:47:10.869955 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : follow up msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 3, control : 2 (peer delay req msg), log message interval : 0, preciseOriginTimeStamp : 1582303629 seconds, 866901765 nanoseconds
+   11  16:47:10.872807 00:00:06:02:00:00 > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : delay req msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x6ffff020000, port id : 8, seq id : 0, control : 1 (delay req msg), log message interval : 127, originTimeStamp : 0 seconds, 0 nanoseconds
+   12  16:47:10.873584 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 68: PTPv2, v1 compat : no, msg type : delay resp msg, length : 54, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 0, control : 3 (peer delay resp msg), log message interval : 2, receiveTimeStamp : 1582303629 seconds, 871703804 nanoseconds, port identity : 0x6ffff020000, port id : 8
+   13  16:47:11.868670 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : sync msg, length : 44, domain : 0, reserved1 : 0, Flags [two step], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 4, control : 0 (sync msg), log message interval : 0, originTimeStamp : 0 seconds, 0 nanoseconds
+   14  16:47:11.948628 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : follow up msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 4, control : 2 (peer delay req msg), log message interval : 0, preciseOriginTimeStamp : 1582303630 seconds, 866905669 nanoseconds
+   15  16:47:12.079561 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 78: PTPv2, v1 compat : no, msg type : announce msg, length : 64, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 2, control : 5 (Other), log message interval : 1, originTimeStamp : 0 seconds 0 nanoseconds, origin cur utc :0, rsvd : 172, gm priority_1 : 128, gm clock class : 248, gm clock accuracy : 254, gm clock variance : 65535, gm priority_2 : 128, gm clock id : 0x7483efffff01ac16, steps removed : 0, time source : 0x50
+   16  16:47:12.868775 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : sync msg, length : 44, domain : 0, reserved1 : 0, Flags [two step], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 5, control : 0 (sync msg), log message interval : 0, originTimeStamp : 0 seconds, 0 nanoseconds
+   17  16:47:12.873811 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : follow up msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 5, control : 2 (peer delay req msg), log message interval : 0, preciseOriginTimeStamp : 1582303631 seconds, 866896340 nanoseconds
+   18  16:47:12.875715 00:00:06:02:00:00 > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : delay req msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x6ffff020000, port id : 8, seq id : 1, control : 1 (delay req msg), log message interval : 127, originTimeStamp : 0 seconds, 0 nanoseconds
+   19  16:47:12.876341 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 68: PTPv2, v1 compat : no, msg type : delay resp msg, length : 54, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 1, control : 3 (peer delay resp msg), log message interval : 2, receiveTimeStamp : 1582303631 seconds, 874547364 nanoseconds, port identity : 0x6ffff020000, port id : 8
+   20  16:47:13.868817 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : sync msg, length : 44, domain : 0, reserved1 : 0, Flags [two step], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 6, control : 0 (sync msg), log message interval : 0, originTimeStamp : 0 seconds, 0 nanoseconds
+   21  16:47:13.909113 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : follow up msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 6, control : 2 (peer delay req msg), log message interval : 0, preciseOriginTimeStamp : 1582303632 seconds, 866906525 nanoseconds
+   22  16:47:14.079644 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 78: PTPv2, v1 compat : no, msg type : announce msg, length : 64, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 3, control : 5 (Other), log message interval : 1, originTimeStamp : 0 seconds 0 nanoseconds, origin cur utc :0, rsvd : 172, gm priority_1 : 0, gm clock class : 248, gm clock accuracy : 48, gm clock variance : 65535, gm priority_2 : 128, gm clock id : 0x6ffff010000, steps removed : 1, time source : 0x50
+   23  16:47:14.868782 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : sync msg, length : 44, domain : 0, reserved1 : 0, Flags [two step], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 7, control : 0 (sync msg), log message interval : 0, originTimeStamp : 0 seconds, 0 nanoseconds
+   24  16:47:14.908924 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : follow up msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 7, control : 2 (peer delay req msg), log message interval : 0, preciseOriginTimeStamp : 1582303630 seconds, 204665673 nanoseconds
+   25  16:47:15.868691 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : sync msg, length : 44, domain : 0, reserved1 : 0, Flags [two step], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 8, control : 0 (sync msg), log message interval : 0, originTimeStamp : 0 seconds, 0 nanoseconds
+   26  16:47:15.871139 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : follow up msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 8, control : 2 (peer delay req msg), log message interval : 0, preciseOriginTimeStamp : 1582303631 seconds, 782175259 nanoseconds
+   27  16:47:16.079705 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 78: PTPv2, v1 compat : no, msg type : announce msg, length : 64, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 4, control : 5 (Other), log message interval : 1, originTimeStamp : 0 seconds 0 nanoseconds, origin cur utc :0, rsvd : 172, gm priority_1 : 0, gm clock class : 248, gm clock accuracy : 48, gm clock variance : 65535, gm priority_2 : 128, gm clock id : 0x6ffff010000, steps removed : 1, time source : 0x50
+   28  16:47:16.868654 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : sync msg, length : 44, domain : 0, reserved1 : 0, Flags [two step], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 9, control : 0 (sync msg), log message interval : 0, originTimeStamp : 0 seconds, 0 nanoseconds
+   29  16:47:16.912962 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : follow up msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 9, control : 2 (peer delay req msg), log message interval : 0, preciseOriginTimeStamp : 1582303632 seconds, 782211566 nanoseconds
+   30  16:47:17.868771 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : sync msg, length : 44, domain : 0, reserved1 : 0, Flags [two step], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 10, control : 0 (sync msg), log message interval : 0, originTimeStamp : 0 seconds, 0 nanoseconds
+   31  16:47:17.871177 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : follow up msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 10, control : 2 (peer delay req msg), log message interval : 0, preciseOriginTimeStamp : 1582303633 seconds, 782244202 nanoseconds
+   32  16:47:18.079603 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 78: PTPv2, v1 compat : no, msg type : announce msg, length : 64, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 5, control : 5 (Other), log message interval : 1, originTimeStamp : 0 seconds 0 nanoseconds, origin cur utc :0, rsvd : 172, gm priority_1 : 0, gm clock class : 248, gm clock accuracy : 48, gm clock variance : 65535, gm priority_2 : 128, gm clock id : 0x6ffff010000, steps removed : 1, time source : 0x50
+   33  16:47:18.868681 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : sync msg, length : 44, domain : 0, reserved1 : 0, Flags [two step], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 11, control : 0 (sync msg), log message interval : 0, originTimeStamp : 0 seconds, 0 nanoseconds
+   34  16:47:18.873879 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : follow up msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 11, control : 2 (peer delay req msg), log message interval : 0, preciseOriginTimeStamp : 1582303634 seconds, 782115413 nanoseconds
+   35  16:47:19.868772 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : sync msg, length : 44, domain : 0, reserved1 : 0, Flags [two step], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 12, control : 0 (sync msg), log message interval : 0, originTimeStamp : 0 seconds, 0 nanoseconds
+   36  16:47:19.869284 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : follow up msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 12, control : 2 (peer delay req msg), log message interval : 0, preciseOriginTimeStamp : 1582303635 seconds, 782182699 nanoseconds
+   37  16:47:20.079730 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 78: PTPv2, v1 compat : no, msg type : announce msg, length : 64, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 6, control : 5 (Other), log message interval : 1, originTimeStamp : 0 seconds 0 nanoseconds, origin cur utc :0, rsvd : 172, gm priority_1 : 0, gm clock class : 248, gm clock accuracy : 48, gm clock variance : 65535, gm priority_2 : 128, gm clock id : 0x6ffff010000, steps removed : 1, time source : 0x50
+   38  16:47:20.868802 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : sync msg, length : 44, domain : 0, reserved1 : 0, Flags [two step], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 13, control : 0 (sync msg), log message interval : 0, originTimeStamp : 0 seconds, 0 nanoseconds
+   39  16:47:20.873677 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : follow up msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 13, control : 2 (peer delay req msg), log message interval : 0, preciseOriginTimeStamp : 1582303636 seconds, 782273855 nanoseconds
+   40  16:47:20.891294 00:00:06:02:00:00 > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : delay req msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x6ffff020000, port id : 8, seq id : 2, control : 1 (delay req msg), log message interval : 127, originTimeStamp : 0 seconds, 0 nanoseconds
+   41  16:47:20.892073 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 68: PTPv2, v1 compat : no, msg type : delay resp msg, length : 54, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 2, control : 3 (peer delay resp msg), log message interval : 2, receiveTimeStamp : 1582303636 seconds, 805526455 nanoseconds, port identity : 0x6ffff020000, port id : 8
+   42  16:47:21.868809 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : sync msg, length : 44, domain : 0, reserved1 : 0, Flags [two step], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 14, control : 0 (sync msg), log message interval : 0, originTimeStamp : 0 seconds, 0 nanoseconds
+   43  16:47:21.872667 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : follow up msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 14, control : 2 (peer delay req msg), log message interval : 0, preciseOriginTimeStamp : 1582303637 seconds, 782266170 nanoseconds
+   44  16:47:22.079753 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 78: PTPv2, v1 compat : no, msg type : announce msg, length : 64, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 7, control : 5 (Other), log message interval : 1, originTimeStamp : 0 seconds 0 nanoseconds, origin cur utc :0, rsvd : 172, gm priority_1 : 0, gm clock class : 248, gm clock accuracy : 48, gm clock variance : 65535, gm priority_2 : 128, gm clock id : 0x6ffff010000, steps removed : 1, time source : 0x50
+   45  16:47:22.868807 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : sync msg, length : 44, domain : 0, reserved1 : 0, Flags [two step], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 15, control : 0 (sync msg), log message interval : 0, originTimeStamp : 0 seconds, 0 nanoseconds
+   46  16:47:22.873992 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : follow up msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 15, control : 2 (peer delay req msg), log message interval : 0, preciseOriginTimeStamp : 1582303638 seconds, 782194184 nanoseconds
+   47  16:47:23.868851 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : sync msg, length : 44, domain : 0, reserved1 : 0, Flags [two step], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 16, control : 0 (sync msg), log message interval : 0, originTimeStamp : 0 seconds, 0 nanoseconds
+   48  16:47:23.871995 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : follow up msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 16, control : 2 (peer delay req msg), log message interval : 0, preciseOriginTimeStamp : 1582303639 seconds, 782102867 nanoseconds
+   49  16:47:24.079706 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 78: PTPv2, v1 compat : no, msg type : announce msg, length : 64, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 8, control : 5 (Other), log message interval : 1, originTimeStamp : 0 seconds 0 nanoseconds, origin cur utc :0, rsvd : 172, gm priority_1 : 0, gm clock class : 248, gm clock accuracy : 48, gm clock variance : 65535, gm priority_2 : 128, gm clock id : 0x6ffff010000, steps removed : 1, time source : 0x50
+   50  16:47:24.869069 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : sync msg, length : 44, domain : 0, reserved1 : 0, Flags [two step], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 17, control : 0 (sync msg), log message interval : 0, originTimeStamp : 0 seconds, 0 nanoseconds
+   51  16:47:24.912936 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : follow up msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 17, control : 2 (peer delay req msg), log message interval : 0, preciseOriginTimeStamp : 1582303640 seconds, 782510187 nanoseconds
+   52  16:47:25.323631 00:00:06:02:00:00 > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : delay req msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x6ffff020000, port id : 8, seq id : 3, control : 1 (delay req msg), log message interval : 127, originTimeStamp : 0 seconds, 0 nanoseconds
+   53  16:47:25.324603 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 68: PTPv2, v1 compat : no, msg type : delay resp msg, length : 54, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 3, control : 3 (peer delay resp msg), log message interval : 2, receiveTimeStamp : 1582303641 seconds, 237837281 nanoseconds, port identity : 0x6ffff020000, port id : 8
+   54  16:47:25.869777 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : sync msg, length : 44, domain : 0, reserved1 : 0, Flags [two step], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 18, control : 0 (sync msg), log message interval : 0, originTimeStamp : 0 seconds, 0 nanoseconds
+   55  16:47:25.870087 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : follow up msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 18, control : 2 (peer delay req msg), log message interval : 0, preciseOriginTimeStamp : 1582303642 seconds, 344940701 nanoseconds
+   56  16:47:26.079707 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 78: PTPv2, v1 compat : no, msg type : announce msg, length : 64, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 9, control : 5 (Other), log message interval : 1, originTimeStamp : 0 seconds 0 nanoseconds, origin cur utc :0, rsvd : 172, gm priority_1 : 0, gm clock class : 248, gm clock accuracy : 48, gm clock variance : 65535, gm priority_2 : 128, gm clock id : 0x6ffff010000, steps removed : 1, time source : 0x50
+   57  16:47:26.869799 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : sync msg, length : 44, domain : 0, reserved1 : 0, Flags [two step], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 19, control : 0 (sync msg), log message interval : 0, originTimeStamp : 0 seconds, 0 nanoseconds
+   58  16:47:26.874010 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : follow up msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 19, control : 2 (peer delay req msg), log message interval : 0, preciseOriginTimeStamp : 1582303643 seconds, 344951404 nanoseconds
+   59  16:47:27.869755 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : sync msg, length : 44, domain : 0, reserved1 : 0, Flags [two step], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 20, control : 0 (sync msg), log message interval : 0, originTimeStamp : 0 seconds, 0 nanoseconds
+   60  16:47:27.872213 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : follow up msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 20, control : 2 (peer delay req msg), log message interval : 0, preciseOriginTimeStamp : 1582303644 seconds, 344897561 nanoseconds
+   61  16:47:28.079730 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 78: PTPv2, v1 compat : no, msg type : announce msg, length : 64, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 10, control : 5 (Other), log message interval : 1, originTimeStamp : 0 seconds 0 nanoseconds, origin cur utc :0, rsvd : 172, gm priority_1 : 0, gm clock class : 248, gm clock accuracy : 48, gm clock variance : 65535, gm priority_2 : 128, gm clock id : 0x6ffff010000, steps removed : 1, time source : 0x50
+   62  16:47:28.241752 00:00:06:02:00:00 > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : delay req msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x6ffff020000, port id : 8, seq id : 4, control : 1 (delay req msg), log message interval : 127, originTimeStamp : 0 seconds, 0 nanoseconds
+   63  16:47:28.242610 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 68: PTPv2, v1 compat : no, msg type : delay resp msg, length : 54, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 4, control : 3 (peer delay resp msg), log message interval : 2, receiveTimeStamp : 1582303644 seconds, 717595486 nanoseconds, port identity : 0x6ffff020000, port id : 8
+   64  16:47:28.869756 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : sync msg, length : 44, domain : 0, reserved1 : 0, Flags [two step], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 21, control : 0 (sync msg), log message interval : 0, originTimeStamp : 0 seconds, 0 nanoseconds
+   65  16:47:28.870962 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : follow up msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 21, control : 2 (peer delay req msg), log message interval : 0, preciseOriginTimeStamp : 1582303645 seconds, 344930504 nanoseconds
+   66  16:47:29.869679 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : sync msg, length : 44, domain : 0, reserved1 : 0, Flags [two step], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 22, control : 0 (sync msg), log message interval : 0, originTimeStamp : 0 seconds, 0 nanoseconds
+   67  16:47:29.912951 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : follow up msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 22, control : 2 (peer delay req msg), log message interval : 0, preciseOriginTimeStamp : 1582303646 seconds, 344866013 nanoseconds
+   68  16:47:30.079690 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 78: PTPv2, v1 compat : no, msg type : announce msg, length : 64, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 11, control : 5 (Other), log message interval : 1, originTimeStamp : 0 seconds 0 nanoseconds, origin cur utc :0, rsvd : 172, gm priority_1 : 0, gm clock class : 248, gm clock accuracy : 48, gm clock variance : 65535, gm priority_2 : 128, gm clock id : 0x6ffff010000, steps removed : 1, time source : 0x50
+   69  16:47:30.869748 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : sync msg, length : 44, domain : 0, reserved1 : 0, Flags [two step], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 23, control : 0 (sync msg), log message interval : 0, originTimeStamp : 0 seconds, 0 nanoseconds
+   70  16:47:30.872563 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : follow up msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 23, control : 2 (peer delay req msg), log message interval : 0, preciseOriginTimeStamp : 1582303647 seconds, 344865229 nanoseconds
+   71  16:47:31.869557 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : sync msg, length : 44, domain : 0, reserved1 : 0, Flags [two step], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 24, control : 0 (sync msg), log message interval : 0, originTimeStamp : 0 seconds, 0 nanoseconds
+   72  16:47:31.912940 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : follow up msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 24, control : 2 (peer delay req msg), log message interval : 0, preciseOriginTimeStamp : 1582303648 seconds, 344856788 nanoseconds
+   73  16:47:32.079637 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 78: PTPv2, v1 compat : no, msg type : announce msg, length : 64, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 12, control : 5 (Other), log message interval : 1, originTimeStamp : 0 seconds 0 nanoseconds, origin cur utc :0, rsvd : 172, gm priority_1 : 0, gm clock class : 248, gm clock accuracy : 48, gm clock variance : 65535, gm priority_2 : 128, gm clock id : 0x6ffff010000, steps removed : 1, time source : 0x50
+   74  16:47:32.869750 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : sync msg, length : 44, domain : 0, reserved1 : 0, Flags [two step], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 25, control : 0 (sync msg), log message interval : 0, originTimeStamp : 0 seconds, 0 nanoseconds
+   75  16:47:32.895530 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : follow up msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 25, control : 2 (peer delay req msg), log message interval : 0, preciseOriginTimeStamp : 1582303649 seconds, 329713234 nanoseconds
+   76  16:47:33.869840 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : sync msg, length : 44, domain : 0, reserved1 : 0, Flags [two step], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 26, control : 0 (sync msg), log message interval : 0, originTimeStamp : 0 seconds, 0 nanoseconds
+   77  16:47:33.873216 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : follow up msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 26, control : 2 (peer delay req msg), log message interval : 0, preciseOriginTimeStamp : 1582303650 seconds, 329727724 nanoseconds
+   78  16:47:34.079725 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 78: PTPv2, v1 compat : no, msg type : announce msg, length : 64, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 13, control : 5 (Other), log message interval : 1, originTimeStamp : 0 seconds 0 nanoseconds, origin cur utc :0, rsvd : 172, gm priority_1 : 0, gm clock class : 248, gm clock accuracy : 48, gm clock variance : 65535, gm priority_2 : 128, gm clock id : 0x6ffff010000, steps removed : 1, time source : 0x50
+   79  16:47:34.869762 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : sync msg, length : 44, domain : 0, reserved1 : 0, Flags [two step], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 27, control : 0 (sync msg), log message interval : 0, originTimeStamp : 0 seconds, 0 nanoseconds
+   80  16:47:34.873242 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : follow up msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 27, control : 2 (peer delay req msg), log message interval : 0, preciseOriginTimeStamp : 1582303651 seconds, 329690745 nanoseconds
+   81  16:47:35.571612 00:00:06:02:00:00 > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : delay req msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x6ffff020000, port id : 8, seq id : 5, control : 1 (delay req msg), log message interval : 127, originTimeStamp : 0 seconds, 0 nanoseconds
+   82  16:47:35.572620 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 68: PTPv2, v1 compat : no, msg type : delay resp msg, length : 54, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 5, control : 3 (peer delay resp msg), log message interval : 2, receiveTimeStamp : 1582303652 seconds, 32272261 nanoseconds, port identity : 0x6ffff020000, port id : 8
+   83  16:47:35.869695 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : sync msg, length : 44, domain : 0, reserved1 : 0, Flags [two step], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 28, control : 0 (sync msg), log message interval : 0, originTimeStamp : 0 seconds, 0 nanoseconds
+   84  16:47:35.874991 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : follow up msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 28, control : 2 (peer delay req msg), log message interval : 0, preciseOriginTimeStamp : 1582303652 seconds, 329675353 nanoseconds
+   85  16:47:36.079725 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 78: PTPv2, v1 compat : no, msg type : announce msg, length : 64, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 14, control : 5 (Other), log message interval : 1, originTimeStamp : 0 seconds 0 nanoseconds, origin cur utc :0, rsvd : 172, gm priority_1 : 0, gm clock class : 248, gm clock accuracy : 48, gm clock variance : 65535, gm priority_2 : 128, gm clock id : 0x6ffff010000, steps removed : 1, time source : 0x50
+   86  16:47:36.869922 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : sync msg, length : 44, domain : 0, reserved1 : 0, Flags [two step], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 29, control : 0 (sync msg), log message interval : 0, originTimeStamp : 0 seconds, 0 nanoseconds
+   87  16:47:36.874383 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : follow up msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 29, control : 2 (peer delay req msg), log message interval : 0, preciseOriginTimeStamp : 1582303653 seconds, 329849750 nanoseconds
+   88  16:47:37.869752 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : sync msg, length : 44, domain : 0, reserved1 : 0, Flags [two step], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 30, control : 0 (sync msg), log message interval : 0, originTimeStamp : 0 seconds, 0 nanoseconds
+   89  16:47:37.871756 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : follow up msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 30, control : 2 (peer delay req msg), log message interval : 0, preciseOriginTimeStamp : 1582303654 seconds, 329676257 nanoseconds
+   90  16:47:38.079716 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 78: PTPv2, v1 compat : no, msg type : announce msg, length : 64, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 15, control : 5 (Other), log message interval : 1, originTimeStamp : 0 seconds 0 nanoseconds, origin cur utc :0, rsvd : 172, gm priority_1 : 0, gm clock class : 248, gm clock accuracy : 48, gm clock variance : 65535, gm priority_2 : 128, gm clock id : 0x6ffff010000, steps removed : 1, time source : 0x50
+   91  16:47:38.869721 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : sync msg, length : 44, domain : 0, reserved1 : 0, Flags [two step], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 31, control : 0 (sync msg), log message interval : 0, originTimeStamp : 0 seconds, 0 nanoseconds
+   92  16:47:38.872447 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : follow up msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 31, control : 2 (peer delay req msg), log message interval : 0, preciseOriginTimeStamp : 1582303655 seconds, 329719538 nanoseconds
+   93  16:47:39.869742 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : sync msg, length : 44, domain : 0, reserved1 : 0, Flags [two step], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 32, control : 0 (sync msg), log message interval : 0, originTimeStamp : 0 seconds, 0 nanoseconds
+   94  16:47:39.916968 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : follow up msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 32, control : 2 (peer delay req msg), log message interval : 0, preciseOriginTimeStamp : 1582303656 seconds, 172795159 nanoseconds
+   95  16:47:40.079704 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 78: PTPv2, v1 compat : no, msg type : announce msg, length : 64, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 16, control : 5 (Other), log message interval : 1, originTimeStamp : 0 seconds 0 nanoseconds, origin cur utc :0, rsvd : 172, gm priority_1 : 0, gm clock class : 248, gm clock accuracy : 48, gm clock variance : 65535, gm priority_2 : 128, gm clock id : 0x6ffff010000, steps removed : 1, time source : 0x50
+   96  16:47:40.427644 00:00:06:02:00:00 > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : delay req msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x6ffff020000, port id : 8, seq id : 6, control : 1 (delay req msg), log message interval : 127, originTimeStamp : 0 seconds, 0 nanoseconds
+   97  16:47:40.428617 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 68: PTPv2, v1 compat : no, msg type : delay resp msg, length : 54, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 6, control : 3 (peer delay resp msg), log message interval : 2, receiveTimeStamp : 1582303656 seconds, 731468461 nanoseconds, port identity : 0x6ffff020000, port id : 8
+   98  16:47:40.869746 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : sync msg, length : 44, domain : 0, reserved1 : 0, Flags [two step], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 33, control : 0 (sync msg), log message interval : 0, originTimeStamp : 0 seconds, 0 nanoseconds
+   99  16:47:40.975224 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : follow up msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 33, control : 2 (peer delay req msg), log message interval : 0, preciseOriginTimeStamp : 1582303657 seconds, 172867821 nanoseconds
+  100  16:47:41.869766 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : sync msg, length : 44, domain : 0, reserved1 : 0, Flags [two step], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 34, control : 0 (sync msg), log message interval : 0, originTimeStamp : 0 seconds, 0 nanoseconds
+  101  16:47:41.871382 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : follow up msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 34, control : 2 (peer delay req msg), log message interval : 0, preciseOriginTimeStamp : 1582303658 seconds, 172847591 nanoseconds
+  102  16:47:42.079748 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 78: PTPv2, v1 compat : no, msg type : announce msg, length : 64, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 17, control : 5 (Other), log message interval : 1, originTimeStamp : 0 seconds 0 nanoseconds, origin cur utc :0, rsvd : 172, gm priority_1 : 0, gm clock class : 248, gm clock accuracy : 48, gm clock variance : 65535, gm priority_2 : 128, gm clock id : 0x6ffff010000, steps removed : 1, time source : 0x50
+  103  16:47:42.869712 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : sync msg, length : 44, domain : 0, reserved1 : 0, Flags [two step], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 35, control : 0 (sync msg), log message interval : 0, originTimeStamp : 0 seconds, 0 nanoseconds
+  104  16:47:42.873721 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : follow up msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 35, control : 2 (peer delay req msg), log message interval : 0, preciseOriginTimeStamp : 1582303659 seconds, 172838071 nanoseconds
+  105  16:47:43.869757 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : sync msg, length : 44, domain : 0, reserved1 : 0, Flags [two step], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 36, control : 0 (sync msg), log message interval : 0, originTimeStamp : 0 seconds, 0 nanoseconds
+  106  16:47:43.875177 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : follow up msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 36, control : 2 (peer delay req msg), log message interval : 0, preciseOriginTimeStamp : 1582303660 seconds, 172845933 nanoseconds
+  107  16:47:44.079724 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 78: PTPv2, v1 compat : no, msg type : announce msg, length : 64, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 18, control : 5 (Other), log message interval : 1, originTimeStamp : 0 seconds 0 nanoseconds, origin cur utc :0, rsvd : 172, gm priority_1 : 0, gm clock class : 248, gm clock accuracy : 48, gm clock variance : 65535, gm priority_2 : 128, gm clock id : 0x6ffff010000, steps removed : 1, time source : 0x50
+  108  16:47:44.869744 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : sync msg, length : 44, domain : 0, reserved1 : 0, Flags [two step], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 37, control : 0 (sync msg), log message interval : 0, originTimeStamp : 0 seconds, 0 nanoseconds
+  109  16:47:44.871727 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : follow up msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 37, control : 2 (peer delay req msg), log message interval : 0, preciseOriginTimeStamp : 1582303661 seconds, 206678176 nanoseconds
+  110  16:47:45.869901 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : sync msg, length : 44, domain : 0, reserved1 : 0, Flags [two step], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 38, control : 0 (sync msg), log message interval : 0, originTimeStamp : 0 seconds, 0 nanoseconds
+  111  16:47:45.871682 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : follow up msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 38, control : 2 (peer delay req msg), log message interval : 0, preciseOriginTimeStamp : 1582303662 seconds, 206818346 nanoseconds
+  112  16:47:46.079711 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 78: PTPv2, v1 compat : no, msg type : announce msg, length : 64, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 19, control : 5 (Other), log message interval : 1, originTimeStamp : 0 seconds 0 nanoseconds, origin cur utc :0, rsvd : 172, gm priority_1 : 0, gm clock class : 248, gm clock accuracy : 48, gm clock variance : 65535, gm priority_2 : 128, gm clock id : 0x6ffff010000, steps removed : 1, time source : 0x50
+  113  16:47:46.861682 00:00:06:02:00:00 > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : delay req msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x6ffff020000, port id : 8, seq id : 7, control : 1 (delay req msg), log message interval : 127, originTimeStamp : 0 seconds, 0 nanoseconds
+  114  16:47:46.862645 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 68: PTPv2, v1 compat : no, msg type : delay resp msg, length : 54, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 7, control : 3 (peer delay resp msg), log message interval : 2, receiveTimeStamp : 1582303663 seconds, 199343089 nanoseconds, port identity : 0x6ffff020000, port id : 8
+  115  16:47:46.869590 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : sync msg, length : 44, domain : 0, reserved1 : 0, Flags [two step], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 39, control : 0 (sync msg), log message interval : 0, originTimeStamp : 0 seconds, 0 nanoseconds
+  116  16:47:46.872561 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : follow up msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 39, control : 2 (peer delay req msg), log message interval : 0, preciseOriginTimeStamp : 1582303663 seconds, 206616347 nanoseconds
+  117  16:47:47.732663 00:00:06:02:00:00 > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : delay req msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x6ffff020000, port id : 8, seq id : 8, control : 1 (delay req msg), log message interval : 127, originTimeStamp : 0 seconds, 0 nanoseconds
+  118  16:47:47.733583 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 68: PTPv2, v1 compat : no, msg type : delay resp msg, length : 54, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 8, control : 3 (peer delay resp msg), log message interval : 2, receiveTimeStamp : 1582303664 seconds, 70327505 nanoseconds, port identity : 0x6ffff020000, port id : 8
+  119  16:47:47.869674 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : sync msg, length : 44, domain : 0, reserved1 : 0, Flags [two step], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 40, control : 0 (sync msg), log message interval : 0, originTimeStamp : 0 seconds, 0 nanoseconds
+  120  16:47:47.874535 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : follow up msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 40, control : 2 (peer delay req msg), log message interval : 0, preciseOriginTimeStamp : 1582303664 seconds, 206690747 nanoseconds
+  121  16:47:48.079795 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 78: PTPv2, v1 compat : no, msg type : announce msg, length : 64, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 20, control : 5 (Other), log message interval : 1, originTimeStamp : 0 seconds 0 nanoseconds, origin cur utc :0, rsvd : 172, gm priority_1 : 0, gm clock class : 248, gm clock accuracy : 48, gm clock variance : 65535, gm priority_2 : 128, gm clock id : 0x6ffff010000, steps removed : 1, time source : 0x50
+  122  16:47:48.869729 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : sync msg, length : 44, domain : 0, reserved1 : 0, Flags [two step], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 41, control : 0 (sync msg), log message interval : 0, originTimeStamp : 0 seconds, 0 nanoseconds
+  123  16:47:48.871306 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : follow up msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 41, control : 2 (peer delay req msg), log message interval : 0, preciseOriginTimeStamp : 1582303665 seconds, 206685761 nanoseconds
+  124  16:47:49.869715 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : sync msg, length : 44, domain : 0, reserved1 : 0, Flags [two step], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 42, control : 0 (sync msg), log message interval : 0, originTimeStamp : 0 seconds, 0 nanoseconds
+  125  16:47:49.872233 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : follow up msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 42, control : 2 (peer delay req msg), log message interval : 0, preciseOriginTimeStamp : 1582303666 seconds, 206636658 nanoseconds
+  126  16:47:50.079790 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 78: PTPv2, v1 compat : no, msg type : announce msg, length : 64, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 21, control : 5 (Other), log message interval : 1, originTimeStamp : 0 seconds 0 nanoseconds, origin cur utc :0, rsvd : 172, gm priority_1 : 0, gm clock class : 248, gm clock accuracy : 48, gm clock variance : 65535, gm priority_2 : 128, gm clock id : 0x6ffff010000, steps removed : 1, time source : 0x50
+  127  16:47:50.869716 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : sync msg, length : 44, domain : 0, reserved1 : 0, Flags [two step], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 43, control : 0 (sync msg), log message interval : 0, originTimeStamp : 0 seconds, 0 nanoseconds
+  128  16:47:50.912941 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : follow up msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 43, control : 2 (peer delay req msg), log message interval : 0, preciseOriginTimeStamp : 1582303667 seconds, 206601064 nanoseconds
+  129  16:47:51.869848 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : sync msg, length : 44, domain : 0, reserved1 : 0, Flags [two step], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 44, control : 0 (sync msg), log message interval : 0, originTimeStamp : 0 seconds, 0 nanoseconds
+  130  16:47:51.913046 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : follow up msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 44, control : 2 (peer delay req msg), log message interval : 0, preciseOriginTimeStamp : 1582303668 seconds, 140541044 nanoseconds
+  131  16:47:52.079748 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 78: PTPv2, v1 compat : no, msg type : announce msg, length : 64, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 22, control : 5 (Other), log message interval : 1, originTimeStamp : 0 seconds 0 nanoseconds, origin cur utc :0, rsvd : 172, gm priority_1 : 0, gm clock class : 248, gm clock accuracy : 48, gm clock variance : 65535, gm priority_2 : 128, gm clock id : 0x6ffff010000, steps removed : 1, time source : 0x50
+  132  16:47:52.869761 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : sync msg, length : 44, domain : 0, reserved1 : 0, Flags [two step], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 45, control : 0 (sync msg), log message interval : 0, originTimeStamp : 0 seconds, 0 nanoseconds
+  133  16:47:52.873033 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : follow up msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 45, control : 2 (peer delay req msg), log message interval : 0, preciseOriginTimeStamp : 1582303669 seconds, 140466466 nanoseconds
+  134  16:47:53.869759 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : sync msg, length : 44, domain : 0, reserved1 : 0, Flags [two step], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 46, control : 0 (sync msg), log message interval : 0, originTimeStamp : 0 seconds, 0 nanoseconds
+  135  16:47:53.871646 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : follow up msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 46, control : 2 (peer delay req msg), log message interval : 0, preciseOriginTimeStamp : 1582303670 seconds, 140484662 nanoseconds
+  136  16:47:54.079835 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 78: PTPv2, v1 compat : no, msg type : announce msg, length : 64, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 23, control : 5 (Other), log message interval : 1, originTimeStamp : 0 seconds 0 nanoseconds, origin cur utc :0, rsvd : 172, gm priority_1 : 0, gm clock class : 248, gm clock accuracy : 48, gm clock variance : 65535, gm priority_2 : 128, gm clock id : 0x6ffff010000, steps removed : 1, time source : 0x50
+  137  16:47:54.869726 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : sync msg, length : 44, domain : 0, reserved1 : 0, Flags [two step], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 47, control : 0 (sync msg), log message interval : 0, originTimeStamp : 0 seconds, 0 nanoseconds
+  138  16:47:54.870804 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : follow up msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 47, control : 2 (peer delay req msg), log message interval : 0, preciseOriginTimeStamp : 1582303671 seconds, 140509610 nanoseconds
+  139  16:47:55.724621 00:00:06:02:00:00 > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : delay req msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x6ffff020000, port id : 8, seq id : 9, control : 1 (delay req msg), log message interval : 127, originTimeStamp : 0 seconds, 0 nanoseconds
+  140  16:47:55.725515 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 68: PTPv2, v1 compat : no, msg type : delay resp msg, length : 54, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 9, control : 3 (peer delay resp msg), log message interval : 2, receiveTimeStamp : 1582303671 seconds, 996114198 nanoseconds, port identity : 0x6ffff020000, port id : 8
+  141  16:47:55.869740 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : sync msg, length : 44, domain : 0, reserved1 : 0, Flags [two step], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 48, control : 0 (sync msg), log message interval : 0, originTimeStamp : 0 seconds, 0 nanoseconds
+  142  16:47:55.873417 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : follow up msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 48, control : 2 (peer delay req msg), log message interval : 0, preciseOriginTimeStamp : 1582303672 seconds, 140458889 nanoseconds
+  143  16:47:56.079747 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 78: PTPv2, v1 compat : no, msg type : announce msg, length : 64, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 24, control : 5 (Other), log message interval : 1, originTimeStamp : 0 seconds 0 nanoseconds, origin cur utc :0, rsvd : 172, gm priority_1 : 0, gm clock class : 248, gm clock accuracy : 48, gm clock variance : 65535, gm priority_2 : 128, gm clock id : 0x6ffff010000, steps removed : 1, time source : 0x50
+  144  16:47:56.869755 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : sync msg, length : 44, domain : 0, reserved1 : 0, Flags [two step], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 49, control : 0 (sync msg), log message interval : 0, originTimeStamp : 0 seconds, 0 nanoseconds
+  145  16:47:56.874169 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : follow up msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 49, control : 2 (peer delay req msg), log message interval : 0, preciseOriginTimeStamp : 1582303673 seconds, 140533632 nanoseconds
+  146  16:47:57.869733 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : sync msg, length : 44, domain : 0, reserved1 : 0, Flags [two step], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 50, control : 0 (sync msg), log message interval : 0, originTimeStamp : 0 seconds, 0 nanoseconds
+  147  16:47:57.875008 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : follow up msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 50, control : 2 (peer delay req msg), log message interval : 0, preciseOriginTimeStamp : 1582303674 seconds, 140440720 nanoseconds
+  148  16:47:58.079712 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 78: PTPv2, v1 compat : no, msg type : announce msg, length : 64, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 25, control : 5 (Other), log message interval : 1, originTimeStamp : 0 seconds 0 nanoseconds, origin cur utc :0, rsvd : 172, gm priority_1 : 0, gm clock class : 248, gm clock accuracy : 48, gm clock variance : 65535, gm priority_2 : 128, gm clock id : 0x6ffff010000, steps removed : 1, time source : 0x50
+  149  16:47:58.092371 00:00:06:02:00:00 > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : delay req msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x6ffff020000, port id : 8, seq id : 10, control : 1 (delay req msg), log message interval : 127, originTimeStamp : 0 seconds, 0 nanoseconds
+  150  16:47:58.093173 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 68: PTPv2, v1 compat : no, msg type : delay resp msg, length : 54, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 10, control : 3 (peer delay resp msg), log message interval : 2, receiveTimeStamp : 1582303674 seconds, 363746157 nanoseconds, port identity : 0x6ffff020000, port id : 8
+  151  16:47:58.869768 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : sync msg, length : 44, domain : 0, reserved1 : 0, Flags [two step], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 51, control : 0 (sync msg), log message interval : 0, originTimeStamp : 0 seconds, 0 nanoseconds
+  152  16:47:58.875143 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : follow up msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 51, control : 2 (peer delay req msg), log message interval : 0, preciseOriginTimeStamp : 1582303675 seconds, 140516734 nanoseconds
+  153  16:47:59.869758 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : sync msg, length : 44, domain : 0, reserved1 : 0, Flags [two step], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 52, control : 0 (sync msg), log message interval : 0, originTimeStamp : 0 seconds, 0 nanoseconds
+  154  16:47:59.913061 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : follow up msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 52, control : 2 (peer delay req msg), log message interval : 0, preciseOriginTimeStamp : 1582303676 seconds, 140609930 nanoseconds
+  155  16:48:00.079744 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 78: PTPv2, v1 compat : no, msg type : announce msg, length : 64, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 26, control : 5 (Other), log message interval : 1, originTimeStamp : 0 seconds 0 nanoseconds, origin cur utc :0, rsvd : 172, gm priority_1 : 0, gm clock class : 248, gm clock accuracy : 48, gm clock variance : 65535, gm priority_2 : 128, gm clock id : 0x6ffff010000, steps removed : 1, time source : 0x50
+  156  16:48:00.869765 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : sync msg, length : 44, domain : 0, reserved1 : 0, Flags [two step], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 53, control : 0 (sync msg), log message interval : 0, originTimeStamp : 0 seconds, 0 nanoseconds
+  157  16:48:00.871138 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : follow up msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 53, control : 2 (peer delay req msg), log message interval : 0, preciseOriginTimeStamp : 1582303677 seconds, 140522713 nanoseconds
+  158  16:48:01.869775 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : sync msg, length : 44, domain : 0, reserved1 : 0, Flags [two step], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 54, control : 0 (sync msg), log message interval : 0, originTimeStamp : 0 seconds, 0 nanoseconds
+  159  16:48:01.924282 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : follow up msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 54, control : 2 (peer delay req msg), log message interval : 0, preciseOriginTimeStamp : 1582303678 seconds, 140584646 nanoseconds
+  160  16:48:02.041906 00:00:06:02:00:00 > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : delay req msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x6ffff020000, port id : 8, seq id : 11, control : 1 (delay req msg), log message interval : 127, originTimeStamp : 0 seconds, 0 nanoseconds
+  161  16:48:02.042830 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 68: PTPv2, v1 compat : no, msg type : delay resp msg, length : 54, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 11, control : 3 (peer delay resp msg), log message interval : 2, receiveTimeStamp : 1582303678 seconds, 313400510 nanoseconds, port identity : 0x6ffff020000, port id : 8
+  162  16:48:02.079779 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 78: PTPv2, v1 compat : no, msg type : announce msg, length : 64, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 27, control : 5 (Other), log message interval : 1, originTimeStamp : 0 seconds 0 nanoseconds, origin cur utc :0, rsvd : 94, gm priority_1 : 0, gm clock class : 248, gm clock accuracy : 48, gm clock variance : 65535, gm priority_2 : 128, gm clock id : 0x6ffff010000, steps removed : 1, time source : 0x50
+  163  16:48:02.869731 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : sync msg, length : 44, domain : 0, reserved1 : 0, Flags [two step], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 55, control : 0 (sync msg), log message interval : 0, originTimeStamp : 0 seconds, 0 nanoseconds
+  164  16:48:02.872902 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : follow up msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 55, control : 2 (peer delay req msg), log message interval : 0, preciseOriginTimeStamp : 1582303679 seconds, 211948399 nanoseconds
+  165  16:48:03.869740 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : sync msg, length : 44, domain : 0, reserved1 : 0, Flags [two step], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 56, control : 0 (sync msg), log message interval : 0, originTimeStamp : 0 seconds, 0 nanoseconds
+  166  16:48:03.871026 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : follow up msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 56, control : 2 (peer delay req msg), log message interval : 0, preciseOriginTimeStamp : 1582303680 seconds, 212080924 nanoseconds
+  167  16:48:04.079712 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 78: PTPv2, v1 compat : no, msg type : announce msg, length : 64, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 28, control : 5 (Other), log message interval : 1, originTimeStamp : 0 seconds 0 nanoseconds, origin cur utc :0, rsvd : 172, gm priority_1 : 0, gm clock class : 248, gm clock accuracy : 48, gm clock variance : 65535, gm priority_2 : 128, gm clock id : 0x6ffff010000, steps removed : 1, time source : 0x50
+  168  16:48:04.381626 00:00:06:02:00:00 > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : delay req msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x6ffff020000, port id : 8, seq id : 12, control : 1 (delay req msg), log message interval : 127, originTimeStamp : 0 seconds, 0 nanoseconds
+  169  16:48:04.382699 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 68: PTPv2, v1 compat : no, msg type : delay resp msg, length : 54, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 12, control : 3 (peer delay resp msg), log message interval : 2, receiveTimeStamp : 1582303680 seconds, 724715636 nanoseconds, port identity : 0x6ffff020000, port id : 8
+  170  16:48:04.869774 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : sync msg, length : 44, domain : 0, reserved1 : 0, Flags [two step], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 57, control : 0 (sync msg), log message interval : 0, originTimeStamp : 0 seconds, 0 nanoseconds
+  171  16:48:04.873011 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : follow up msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 57, control : 2 (peer delay req msg), log message interval : 0, preciseOriginTimeStamp : 1582303681 seconds, 212109931 nanoseconds
+  172  16:48:05.869834 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : sync msg, length : 44, domain : 0, reserved1 : 0, Flags [two step], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 58, control : 0 (sync msg), log message interval : 0, originTimeStamp : 0 seconds, 0 nanoseconds
+  173  16:48:05.912983 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : follow up msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 58, control : 2 (peer delay req msg), log message interval : 0, preciseOriginTimeStamp : 1582303682 seconds, 212057798 nanoseconds
+  174  16:48:06.079750 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 78: PTPv2, v1 compat : no, msg type : announce msg, length : 64, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 29, control : 5 (Other), log message interval : 1, originTimeStamp : 0 seconds 0 nanoseconds, origin cur utc :0, rsvd : 172, gm priority_1 : 0, gm clock class : 248, gm clock accuracy : 48, gm clock variance : 65535, gm priority_2 : 128, gm clock id : 0x6ffff010000, steps removed : 1, time source : 0x50
+  175  16:48:06.869821 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : sync msg, length : 44, domain : 0, reserved1 : 0, Flags [two step], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 59, control : 0 (sync msg), log message interval : 0, originTimeStamp : 0 seconds, 0 nanoseconds
+  176  16:48:06.870346 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : follow up msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 59, control : 2 (peer delay req msg), log message interval : 0, preciseOriginTimeStamp : 1582303683 seconds, 212046209 nanoseconds
+  177  16:48:07.869794 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : sync msg, length : 44, domain : 0, reserved1 : 0, Flags [two step], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 60, control : 0 (sync msg), log message interval : 0, originTimeStamp : 0 seconds, 0 nanoseconds
+  178  16:48:07.870532 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : follow up msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 60, control : 2 (peer delay req msg), log message interval : 0, preciseOriginTimeStamp : 1582303684 seconds, 212124397 nanoseconds
+  179  16:48:08.079631 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 78: PTPv2, v1 compat : no, msg type : announce msg, length : 64, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 30, control : 5 (Other), log message interval : 1, originTimeStamp : 0 seconds 0 nanoseconds, origin cur utc :0, rsvd : 172, gm priority_1 : 0, gm clock class : 248, gm clock accuracy : 48, gm clock variance : 65535, gm priority_2 : 128, gm clock id : 0x6ffff010000, steps removed : 1, time source : 0x50
+  180  16:48:08.869976 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : sync msg, length : 44, domain : 0, reserved1 : 0, Flags [two step], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 61, control : 0 (sync msg), log message interval : 0, originTimeStamp : 0 seconds, 0 nanoseconds
+  181  16:48:08.872765 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : follow up msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 61, control : 2 (peer delay req msg), log message interval : 0, preciseOriginTimeStamp : 1582303685 seconds, 259449233 nanoseconds
+  182  16:48:09.869791 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : sync msg, length : 44, domain : 0, reserved1 : 0, Flags [two step], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 62, control : 0 (sync msg), log message interval : 0, originTimeStamp : 0 seconds, 0 nanoseconds
+  183  16:48:09.980832 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : follow up msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 62, control : 2 (peer delay req msg), log message interval : 0, preciseOriginTimeStamp : 1582303686 seconds, 259170852 nanoseconds
+  184  16:48:10.079693 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 78: PTPv2, v1 compat : no, msg type : announce msg, length : 64, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 31, control : 5 (Other), log message interval : 1, originTimeStamp : 0 seconds 0 nanoseconds, origin cur utc :0, rsvd : 172, gm priority_1 : 0, gm clock class : 248, gm clock accuracy : 48, gm clock variance : 65535, gm priority_2 : 128, gm clock id : 0x6ffff010000, steps removed : 1, time source : 0x50
+  185  16:48:10.540849 00:00:06:02:00:00 > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : delay req msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x6ffff020000, port id : 8, seq id : 13, control : 1 (delay req msg), log message interval : 127, originTimeStamp : 0 seconds, 0 nanoseconds
+  186  16:48:10.541687 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 68: PTPv2, v1 compat : no, msg type : delay resp msg, length : 54, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 13, control : 3 (peer delay resp msg), log message interval : 2, receiveTimeStamp : 1582303686 seconds, 931049480 nanoseconds, port identity : 0x6ffff020000, port id : 8
+  187  16:48:10.869766 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : sync msg, length : 44, domain : 0, reserved1 : 0, Flags [two step], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 63, control : 0 (sync msg), log message interval : 0, originTimeStamp : 0 seconds, 0 nanoseconds
+  188  16:48:10.873697 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : follow up msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 63, control : 2 (peer delay req msg), log message interval : 0, preciseOriginTimeStamp : 1582303687 seconds, 259216071 nanoseconds
+  189  16:48:11.869729 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : sync msg, length : 44, domain : 0, reserved1 : 0, Flags [two step], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 64, control : 0 (sync msg), log message interval : 0, originTimeStamp : 0 seconds, 0 nanoseconds
+  190  16:48:11.872800 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : follow up msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 64, control : 2 (peer delay req msg), log message interval : 0, preciseOriginTimeStamp : 1582303688 seconds, 259206669 nanoseconds
+  191  16:48:12.079717 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 78: PTPv2, v1 compat : no, msg type : announce msg, length : 64, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 32, control : 5 (Other), log message interval : 1, originTimeStamp : 0 seconds 0 nanoseconds, origin cur utc :0, rsvd : 172, gm priority_1 : 0, gm clock class : 248, gm clock accuracy : 48, gm clock variance : 65535, gm priority_2 : 128, gm clock id : 0x6ffff010000, steps removed : 1, time source : 0x50
+  192  16:48:12.869941 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : sync msg, length : 44, domain : 0, reserved1 : 0, Flags [two step], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 65, control : 0 (sync msg), log message interval : 0, originTimeStamp : 0 seconds, 0 nanoseconds
+  193  16:48:12.873059 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : follow up msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 65, control : 2 (peer delay req msg), log message interval : 0, preciseOriginTimeStamp : 1582303689 seconds, 259454558 nanoseconds
+  194  16:48:13.360985 00:00:06:02:00:00 > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : delay req msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x6ffff020000, port id : 8, seq id : 14, control : 1 (delay req msg), log message interval : 127, originTimeStamp : 0 seconds, 0 nanoseconds
+  195  16:48:13.361921 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 68: PTPv2, v1 compat : no, msg type : delay resp msg, length : 54, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 14, control : 3 (peer delay resp msg), log message interval : 2, receiveTimeStamp : 1582303689 seconds, 751191518 nanoseconds, port identity : 0x6ffff020000, port id : 8
+  196  16:48:13.869795 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : sync msg, length : 44, domain : 0, reserved1 : 0, Flags [two step], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 66, control : 0 (sync msg), log message interval : 0, originTimeStamp : 0 seconds, 0 nanoseconds
+  197  16:48:13.870699 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : follow up msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 66, control : 2 (peer delay req msg), log message interval : 0, preciseOriginTimeStamp : 1582303690 seconds, 259235331 nanoseconds
+  198  16:48:14.079807 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 78: PTPv2, v1 compat : no, msg type : announce msg, length : 64, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 33, control : 5 (Other), log message interval : 1, originTimeStamp : 0 seconds 0 nanoseconds, origin cur utc :0, rsvd : 172, gm priority_1 : 0, gm clock class : 248, gm clock accuracy : 48, gm clock variance : 65535, gm priority_2 : 128, gm clock id : 0x6ffff010000, steps removed : 1, time source : 0x50
+  199  16:48:14.870018 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : sync msg, length : 44, domain : 0, reserved1 : 0, Flags [two step], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 67, control : 0 (sync msg), log message interval : 0, originTimeStamp : 0 seconds, 0 nanoseconds
+  200  16:48:14.912945 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : follow up msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 67, control : 2 (peer delay req msg), log message interval : 0, preciseOriginTimeStamp : 1582303691 seconds, 295937711 nanoseconds
+  201  16:48:15.869829 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : sync msg, length : 44, domain : 0, reserved1 : 0, Flags [two step], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 68, control : 0 (sync msg), log message interval : 0, originTimeStamp : 0 seconds, 0 nanoseconds
+  202  16:48:15.873873 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : follow up msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 68, control : 2 (peer delay req msg), log message interval : 0, preciseOriginTimeStamp : 1582303692 seconds, 295766607 nanoseconds
+  203  16:48:16.079759 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 78: PTPv2, v1 compat : no, msg type : announce msg, length : 64, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 34, control : 5 (Other), log message interval : 1, originTimeStamp : 0 seconds 0 nanoseconds, origin cur utc :0, rsvd : 172, gm priority_1 : 0, gm clock class : 248, gm clock accuracy : 48, gm clock variance : 65535, gm priority_2 : 128, gm clock id : 0x6ffff010000, steps removed : 1, time source : 0x50
+  204  16:48:16.869875 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : sync msg, length : 44, domain : 0, reserved1 : 0, Flags [two step], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 69, control : 0 (sync msg), log message interval : 0, originTimeStamp : 0 seconds, 0 nanoseconds
+  205  16:48:16.873233 74:83:ef:01:ac:5b > 01:1b:19:00:00:00, ethertype PTP (0x88f7), length 60: PTPv2, v1 compat : no, msg type : follow up msg, length : 44, domain : 0, reserved1 : 0, Flags [none], NS correction : 0, sub NS correction : 0, reserved2 : 0, clock identity : 0x7483efffff01ac16, port id : 274, seq id : 69, control : 2 (peer delay req msg), log message interval : 0, preciseOriginTimeStamp : 1582303693 seconds, 295761755 nanoseconds

diff --git a/tests/ptp_ethernet.pcap b/tests/ptp_ethernet.pcap
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