[  879.174778] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  879.174871] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  879.309619] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  879.309689] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode