[  949.226047][T20119] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  949.231553][T20119] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  950.021445][T20178] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  950.029589][T20178] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode