[  980.483988][T21454] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  980.484780][T21454] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  981.256087][T21514] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  981.256444][T21514] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode