[  939.266017][T20668] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  939.266856][T20668] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  939.924186][T20721] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  939.924484][T20721] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode