def METHOD_NAME(self):
    # recover nbd image access
    if self._net_down:
        self.resume_net_with_iptables()
    # stop nbd image export
    self._nbd_export.stop_export()
    # remove nbd image after test
    nbd_image = self.get_image_by_tag(self.params["local_image_tag"])
    nbd_image.remove()