mt_unknown
mon = ptr_entity->port_info[port].mon_type == mt_unknown ? "???"
di->routing.port_info[0].mon_type = mt_unknown;
di->routing.port_info[1].mon_type = mt_unknown;
di->routing.port_info[0].mon_type = mt_unknown;
di->routing.port_info[1].mon_type = mt_unknown;