[  966.395036][T21730] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  966.395493][T21730] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  967.091480][T21790] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  967.094649][T21790] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode