* ofproto_init_max_ports(), then the client will reject these ports
* itself.) For consistency, the implementation should consider valid for
* flow->in_port any value that could possibly be seen in a packet that it
* ofproto_init_max_ports(), then the client will reject these ports
* itself.) For consistency, the implementation should consider valid for
* flow->in_port any value that could possibly be seen in a packet that it