[  939.885501][T20830] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  939.885960][T20830] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  940.797571][T20880] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  940.802589][T20880] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode