[  781.943455] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  781.943601] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  782.075424] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  782.075502] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode