[  909.228947][T19975] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  909.229414][T19975] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  909.984948][T20036] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  909.985243][T20036] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode