[
  {
    "type": "block-dirty-bitmap-remove",
    "data": {
      "node": "libvirt-1-format",
      "name": "d"
    }
  },
  {
    "type": "block-dirty-bitmap-remove",
    "data": {
      "node": "libvirt-2-format",
      "name": "d"
    }
  }
]
reopen nodes:
libvirt-2-format