[  945.589932][T20921] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  945.590388][T20921] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  946.239594][T20986] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  946.239888][T20986] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode