[  784.625056] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  784.625138] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  784.732343] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  784.732438] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode