[  997.973211][T21453] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  997.973724][T21453] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  998.915571][T21504] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  998.915871][T21504] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode