[  953.925636][T20540] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  953.926229][T20540] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  954.725976][T20590] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  954.727492][T20590] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode