[  954.321589][T20091] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  954.322090][T20091] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  955.219115][T20149] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  955.219511][T20149] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode