IP 192.1.2.23.4500 > 192.1.2.45.4500: UDP-encap: ESP(spi=0x12345678,seq=0x4), length 116
IP 192.1.2.23.4500 > 192.1.2.45.4500: UDP-encap: ESP(spi=0x12345678,seq=0x5), length 116
IP 192.1.2.23.4500 > 192.1.2.45.4500: UDP-encap: ESP(spi=0x12345678,seq=0x6), length 116: ip-proto-183 28
-IP 192.1.2.23.4500 > 192.1.2.45.4500: UDP-encap: ESP(spi=0x12345678,seq=0x7), length 116: cpnx 34
+IP 192.1.2.23.4500 > 192.1.2.45.4500: UDP-encap: ESP(spi=0x12345678,seq=0x7), length 116: ip-proto-72 34
IP 192.1.2.23.4500 > 192.1.2.45.4500: UDP-encap: ESP(spi=0x12345678,seq=0x8), length 116: ip-proto-224 59