[  721.135184] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  721.135318] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  721.256258] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  721.256358] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode