[  974.610523][T21590] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  974.611050][T21590] test-bond0: (slave test-noneth0): Error -95 calling set_mac_address
[  975.478691][T21640] test-bond0: (slave test-noneth0): The slave device specified does not support setting the MAC address
[  975.481858][T21640] test-bond0: (slave test-noneth0): Setting fail_over_mac to active for active-backup mode