[  946.274287][T20833] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  946.274745][T20833] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  946.942824][T20892] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  946.948035][T20892] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode