[  945.223755][T20930] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  945.224220][T20930] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  946.239820][T20994] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  946.240133][T20994] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode