[  777.348957] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  777.349124] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  777.604459] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  777.604618] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode