[ 951.834666][T20535] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address [ 951.835112][T20535] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address [ 952.739144][T20580] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address [ 952.739481][T20580] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode