[  930.348491][T21510] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  930.348941][T21510] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  931.086196][T21571] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  931.089412][T21571] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode