.items[0].metadata.name}&#39;)&#34; -- sh -c &#34;echo ipv4 | nc tcp-echo.ipv4 9000&#34;
hello ipv4
$ kubectl exec -it &#34;$(kubectl get pod -l app=sleep -o jsonpath=&#39;{.items[0].metadata.name}&#39;)&#34; -- sh -c &#34;echo ipv6 | nc tcp-echo.ipv6 9000&#34;
hello ipv6
</code></pre></li></ol><p>Now you can experiment with dual-stack services in your environment!</p><h2 id=important-changes-to-listeners-and-endpoints>Important Changes to Listeners and Endpoints</h2><p>For the above experiment, you&rsquo;l