{
  "node-name": "node-b-f",
  "read-only": false,
  "driver": "qcow2",
  "file": "node-a-s",
  "backing": null
}
{
  "driver": "nbd",
  "server": {
    "type": "inet",
    "host": "host1.example.com",
    "port": "10809"
  },
  "tls-creds": "node-a-s-tls0",
  "node-name": "node-a-s",
  "auto-read-only": true,
  "discard": "unmap"
}