[  961.935058][T21607] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  961.935517][T21607] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  962.622477][T21666] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  962.626695][T21666] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode