[  971.276507][T21740] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  971.276972][T21740] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  972.070307][T21804] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  972.070596][T21804] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode