[  966.858480][T19969] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  966.859005][T19969] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  967.589346][T20034] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  967.589677][T20034] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode