[  941.633369][T21421] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  941.633823][T21421] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  942.360328][T21482] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  942.363600][T21482] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode