[  958.491732][T19506] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  958.492192][T19506] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  959.633274][T19555] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  959.633588][T19555] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode