sergroup-2</code>. The communication should fail:</p><pre><code class=language-bash data-expandlinks=true data-repo=istio>$ kubectl -n app-ns-1 exec &#34;$(kubectl -n app-ns-1 get pod -l app=sleep -o jsonpath={.items..metadata.name})&#34; -c sleep -- curl -sIL http://httpbin.app-ns-2.svc.cluster.local:8000
HTTP/1.1 503 Service Unavailable
content-length: 95
content-type: text/plain
date: Sat, 24 Dec 2022 06:54:54 GMT
server: envoy
</code></pre></li><li><p>Send a request from the <code>sleep</code> pod in <c