[  950.104815][T20125] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  950.105303][T20125] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  951.170181][T20172] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  951.170671][T20172] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode