[  939.750803][T20576] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  939.751252][T20576] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  940.497395][T20639] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  940.497771][T20639] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode