* link when the link down status has been detected
*
* @param bonded_port_id Port ID of bonded device.
- * @param delay_ms Delay period in milliseconds.
*
* @return
* Delay period on success, negative value otherwise.
* link when the link up status has been detected
*
* @param bonded_port_id Port ID of bonded device.
- * @param delay_ms Delay period in milliseconds.
*
* @return
* Delay period on success, negative value otherwise.