[  273.258983][ T2976] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  273.259687][ T2976] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  274.391105][ T3020] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  274.391585][ T3020] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode