[  938.403125][T20693] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  938.403592][T20693] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  939.078067][T20751] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  939.078366][T20751] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode