hmap_insert(&br->iface_by_name, &iface->name_node,
hash_string(iface->name, 0));
list_push_back(&port->ifaces, &iface->port_elem);
hmap_insert(&br->iface_by_name, &iface->name_node,
hash_string(iface->name, 0));
list_push_back(&port->ifaces, &iface->port_elem);