[  990.390740][T18758] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  990.391553][T18758] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  991.616615][T18804] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  991.625224][T18804] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode