[  939.140453][T20908] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  939.140921][T20908] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  939.901213][T20972] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  939.901511][T20972] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode