[  784.802030] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  784.802110] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  784.922400] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  784.922483] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode