+#define PT_CARP 10 /* Common Address Redundancy Protocol */
+#define PT_RADIUS 11 /* RADIUS authentication Protocol */
+#define PT_ZMTP1 12 /* ZeroMQ Message Transport Protocol 1.0 */
+#define PT_VXLAN 13 /* Virtual eXtensible Local Area Network */
+#define PT_PGM 14 /* [UDP-encapsulated] Pragmatic General Multicast */
+#define PT_PGM_ZMTP1 15 /* ZMTP/1.0 inside PGM (native or UDP-encapsulated) */