[  937.631899][T20799] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  937.632438][T20799] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  938.331056][T20860] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  938.331356][T20860] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode