[  939.287651][T20850] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  939.288170][T20850] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  940.015398][T20914] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  940.015711][T20914] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode