[  970.930361][T21911] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  970.930819][T21911] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  971.822514][T21961] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  971.822849][T21961] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode