O_NAT
case O_NAT:
O_NETGRAPH, O_NGTEE, O_FORWARD_IP, O_FORWARD_IP6, O_NAT,
action->opcode = O_NAT;
case O_NAT:
case O_NAT:
if (cmd->o.opcode == O_NAT && cmd->nat != NULL &&
case O_NAT: