[  848.541685] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  848.541780] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  848.657919] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  848.657996] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode