[  724.474483] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  724.474608] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  724.584432] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  724.584543] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode