IPS_DST_NAT
IPS_NAT_MASK = (IPS_DST_NAT | IPS_SRC_NAT),
if (ct->status & IPS_DST_NAT)
statusbit = IPS_DST_NAT;
ct->status |= IPS_DST_NAT;
statusbit = IPS_DST_NAT;
if (err == NF_ACCEPT && ct->status & IPS_DST_NAT) {
statusbit = IPS_DST_NAT;
statusbit = IPS_DST_NAT;
if (ct->status & IPS_DST_NAT)
IPS_SRC_NAT | IPS_DST_NAT)