* @destroy: Detach and destroy a vport.
* @set_mtu: Set the device's MTU. May be null if not supported.
* @set_addr: Set the device's MAC address. May be null if not supported.
* @destroy: Detach and destroy a vport.
* @set_mtu: Set the device's MTU. May be null if not supported.
* @set_addr: Set the device's MAC address. May be null if not supported.