[  721.191693] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  721.192040] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  721.437579] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  721.437687] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode