[  956.324500][T20446] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  956.325027][T20446] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  957.128171][T20511] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  957.128702][T20511] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode