[  720.979333] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  720.979430] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  721.098995] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  721.099085] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode