Symbol: PRC_IFUP
sys/net/if.c
1798
kpfctlinput(PRC_IFUP, ifa->ifa_addr);
sys/netinet/ip_carp.c
3194
if (cmd != PRC_IFDOWN && cmd != PRC_IFUP)
sys/netinet/ip_carp.c
3208
} else if (cmd == PRC_IFUP) {