[  935.465253][T20904] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  935.465710][T20904] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  936.203661][T20967] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  936.203981][T20967] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode