RTF_PROTO2        149 net/route.h        (RTF_JUMBO | RTF_PROTO1 | RTF_PROTO2 | RTF_PROTO3 | RTF_BLACKHOLE | \
RTF_PROTO2        190 netinet/if_ether.h #define	RTF_ANNOUNCE	  RTF_PROTO2	/* announce new arp entry */
RTF_PROTO2         38 netinet6/nd6.h #define RTF_ANNOUNCE	RTF_PROTO2