IPS_SRC_NAT_BIT 48 net/netfilter/xt_conntrack.c if (test_bit(IPS_SRC_NAT_BIT, &ct->status)) IPS_SRC_NAT_BIT 223 net/netfilter/xt_conntrack.c if (test_bit(IPS_SRC_NAT_BIT, &ct->status))