[  944.543810][T23557] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  944.551128][T23557] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  945.190631][T23610] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  945.192112][T23610] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode