4;count&#34;: 10}&#39; :17171 proto.EchoTestService/ForwardEcho | jq -r &#39;.output | join(&#34;&#34;)&#39;  | grep ServiceVersion</code></pre><p>在所有响应中，应该以 <code>v2</code> 的响应居多：</p><pre><code class=language-plain data-expandlinks=true data-repo=istio>[0 body] ServiceVersion=v2
[1 body] ServiceVersion=v2
[2 body] ServiceVersion=v1
[3 body] ServiceVersion=v2
[4 body] ServiceVersion=v1
[5 body] ServiceVersion=v2
[6 body] ServiceVersion=v2
[7 body] ServiceVersion=v2
[8 body] S