[  946.689692][T20748] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  946.690442][T20748] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  947.526255][T20808] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  947.526585][T20808] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode