[  723.912205] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  723.912295] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  724.005021] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  724.005099] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode