[  949.703937][T20258] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  949.704494][T20258] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  950.646916][T20315] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  950.647232][T20315] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode