Does not work with ipp 2.0

[rankun203]

williamkapke/ipp reported below error:

{
  "_err": null,
  "_res": {
    "version": "1.1",
    "statusCode": "server-error-version-not-supported",
    "id": 19651158,
    "operation-attributes-tag": {
      "attributes-charset": "utf-8",
      "attributes-natural-language": "en-us",
      "status-message": "en-us\u001eserver-error-version-not-supported"
    }
  }
}