[  940.642773][T23694] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  940.643211][T23694] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  941.511871][T23739] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  941.512159][T23739] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode