[  937.671981][T20472] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  937.672434][T20472] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  938.415344][T20537] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  938.419121][T20537] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode