def METHOD_NAME(self):
    self._fleecing_image_obj.create(self.params)
    tag = self._fleecing_image_obj.tag
    devices = self.main_vm.devices.images_define_by_params(
        tag, self.params.object_params(tag), 'disk')
    devices.pop()  # ignore the front end device
    for dev in devices:
        if isinstance(dev, QBlockdevFormatNode):
            dev.params["backing"] = self._source_nodes[0]
        ret = self.main_vm.devices.simple_hotplug(
            dev, self.main_vm.monitor)
        if not ret[1]:
            self.test.fail("Failed to hotplug '%s'" % dev)