[  784.063953] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  784.064078] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  784.185804] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  784.185912] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode