[  723.929501] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  723.929594] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  724.033638] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  724.033753] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode