[  952.396196][T20228] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  952.399544][T20228] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  953.376397][T20293] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  953.376694][T20293] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode