[  932.888402][T20712] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  932.888934][T20712] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  933.605062][T20771] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  933.605506][T20771] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode