Symbol: ICMP6_IS_ERROR
usr/src/uts/common/inet/ip/ip6.c
1513
if (ICMP6_IS_ERROR(icmp6->icmp6_type) ||
usr/src/uts/common/inet/iptun/iptun.c
2287
return (ICMP6_IS_ERROR(icmp6->icmp6_type) ||