STP_OUT_flush_lt
STP_OUT_flush_lt (port_index, 0, LT_FLASH_ONLY_THE_PORT, "disable port");
STP_OUT_flush_lt (0, this->vlan_id, LT_FLASH_ONLY_THE_PORT, "start stpm");
bret = STP_OUT_flush_lt (port->port_index, port->owner->vlan_id,
STP_OUT_flush_lt (port->port_index, port->owner->vlan_id,