Comment 2 for bug 1072237

It appears this was actually fixed as I suggested:

{"volume": {"status": "creating", "availability_zone": null, "display_description": null, "snapshot_id": null, "user_id": null, "size": 1, "display_name": null, "imageRef": null, "attach_status": "detached", "volume_type": null, "project_id": null, "metadata": {}}}