[  937.766171][T20912] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  937.767181][T20912] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  938.533259][T20976] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  938.533541][T20976] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode