PFCTL_FLAG_NAT
if ((pf->loadopt & PFCTL_FLAG_NAT) != 0) {
(pf.loadopt & PFCTL_FLAG_NAT &&
loadopt |= PFCTL_FLAG_NAT;
loadopt &= PFCTL_FLAG_FILTER|PFCTL_FLAG_NAT|PFCTL_FLAG_TABLE|PFCTL_FLAG_ETH;