[  966.442028][T21071] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  966.442499][T21071] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  967.203517][T21133] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  967.204002][T21133] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode