[  786.623358] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  786.623500] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  786.745971] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  786.746049] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode