echo-v1-7cf5b76586-ltr8q
$ grpcurl -plaintext -d &#39;{&#34;url&#34;: &#34;xds:///echo.echo-grpc:7070&#34;}&#39; :17171 proto.EchoTestService/ForwardEcho | jq -r
&#39;.output | join(&#34;&#34;)&#39;  | grep Hostname
[0 body] Hostname=echo-v1-7cf5b76586-ltr8q
$ grpcurl -plaintext -d &#39;{&#34;url&#34;: &#34;xds:///echo.echo-grpc.svc:7070&#34;}&#39; :17171 proto.EchoTestService/ForwardEcho | jq -r
&#39;.output | join(&#34;&#34;)&#39;  | grep Hostname
[0 body] Hostname=echo-v2-cf97bd94d-jt5mf
</code></pre><h3