[  937.583776][T20939] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  937.584296][T20939] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  938.312416][T20989] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  938.313060][T20989] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode