When unshelving an instance that was booted from a volume, "shelved_image_id" is None. Therefore, when performing unshelve, the image metadata could not be retrieved and ImagePropertiesFilter scheduling will fail. (728675)

When unshelving an instance that was booted from a volume, "shelved_image_id" is None. Therefore, when performing unshelve, the image metadata could not be retrieved and ImagePropertiesFilter scheduling will fail. (728675) · Gerrit Code Review