[  873.516523] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  873.516624] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  873.608131] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  873.608212] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode