[  982.979541][T21380] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  982.979994][T21380] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  983.889319][T21437] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  983.889641][T21437] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode