icmp_error_log 214 net/netfilter/nf_conntrack_proto_icmp.c icmp_error_log(skb, state, "short packet"); icmp_error_log 222 net/netfilter/nf_conntrack_proto_icmp.c icmp_error_log(skb, state, "bad hw icmp checksum"); icmp_error_log 233 net/netfilter/nf_conntrack_proto_icmp.c icmp_error_log(skb, state, "invalid icmp type");