[ 1169.862295][T27675] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address [ 1169.862722][T27675] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address [ 1170.756406][T27723] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address [ 1170.757126][T27723] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode