[  884.329856] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  884.329978] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  884.430315] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  884.430406] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode