{
    "return": [
        {
            "io-status": "ok",
            "device": "drive-virtio-disk0",
            "locked": false,
            "removable": false,
            "inserted": {
                "iops_rd": 0,
                "detect_zeroes": "off",
                "image": {
                    "backing-image": {
                        "virtual-size": 3221225472,
                        "filename": "/home/stack/src/cloud/data/nova/instances/_base/6b3d28a0056c9fa734a7e300dcb6ee8eadbaf420",
                        "format": "raw",
                        "actual-size": 540741632,
                        "dirty-flag": false
                    },
                    "backing-filename-format": "raw",
                    "virtual-size": 21474836480,
                    "filename": "/home/stack/src/cloud/data/nova/instances/615e126c-11c2-4221-a835-eb4386d4d584/disk",
                    "cluster-size": 65536,
                    "format": "qcow2",
                    "actual-size": 101453824,
                    "format-specific": {
                        "type": "qcow2",
                        "data": {
                            "compat": "1.1",
                            "lazy-refcounts": false,
                            "refcount-bits": 16,
                            "corrupt": false
                        }
                    },
                    "backing-filename": "/home/stack/src/cloud/data/nova/instances/_base/6b3d28a0056c9fa734a7e300dcb6ee8eadbaf420",
                    "dirty-flag": false
                },
                "iops_wr": 0,
                "ro": false,
                "backing_file_depth": 1,
                "drv": "qcow2",
                "iops": 0,
                "bps_wr": 0,
                "write_threshold": 0,
                "backing_file": "/home/stack/src/cloud/data/nova/instances/_base/6b3d28a0056c9fa734a7e300dcb6ee8eadbaf420",
                "encrypted": false,
                "bps": 0,
                "bps_rd": 0,
                "cache": {
                    "no-flush": false,
                    "direct": true,
                    "writeback": true
                },
                "file": "/home/stack/src/cloud/data/nova/instances/615e126c-11c2-4221-a835-eb4386d4d584/disk",
                "encryption_key_missing": false
            },
            "type": "unknown"
        }
    ],
    "id": "libvirt-17"
}