IP6T_ICMP_INV    1852 net/ipv6/netfilter/ip6_tables.c 				     !!(icmpinfo->invflags&IP6T_ICMP_INV));
IP6T_ICMP_INV    1861 net/ipv6/netfilter/ip6_tables.c 	return (icmpinfo->invflags & ~IP6T_ICMP_INV) ? -EINVAL : 0;