[  941.847038][T20660] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  941.847577][T20660] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  942.600802][T20721] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  942.606971][T20721] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode