TCP_SYNACK_SET    286 net/netfilter/nf_conntrack_proto_tcp.c 	else if (tcph->syn) return (tcph->ack ? TCP_SYNACK_SET : TCP_SYN_SET);
TCP_SYNACK_SET    918 net/netfilter/nf_conntrack_proto_tcp.c 		if (index == TCP_SYNACK_SET