[  784.579499] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  784.579649] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  784.708660] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  784.708733] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode