nf_is_loopback_packet 1990 net/netfilter/nf_conntrack_core.c !nf_is_loopback_packet(skb)) { nf_is_loopback_packet 146 net/netfilter/nf_conntrack_proto.c !nf_is_loopback_packet(skb)) { nf_is_loopback_packet 678 net/netfilter/nf_synproxy_core.c if (nf_is_loopback_packet(skb) || nf_is_loopback_packet 1098 net/netfilter/nf_synproxy_core.c if (nf_is_loopback_packet(skb))