Symbol: IP_CT_TCP_SIMULTANEOUS_OPEN
net/netfilter/nf_conntrack_proto_tcp.c
1164
ct->proto.tcp.last_flags |= IP_CT_TCP_SIMULTANEOUS_OPEN;
net/netfilter/nf_conntrack_proto_tcp.c
1168
ct->proto.tcp.last_flags & IP_CT_TCP_SIMULTANEOUS_OPEN)