[  952.713223][T20229] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  952.731627][T20229] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  953.824588][T20275] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  953.824888][T20275] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode