[  989.882267][T21976] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  989.882782][T21976] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  990.580681][T22033] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  990.580996][T22033] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode