[  947.683086][T20770] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  947.683534][T20770] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  948.420179][T20835] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  948.420514][T20835] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode