in the namespaces:</p><pre><code class=language-bash data-expandlinks=true data-repo=istio>$ kubectl apply --namespace dual-stack -f @samples/tcp-echo/tcp-echo-dual-stack.yaml
$ kubectl apply --namespace ipv4 -f @samples/tcp-echo/tcp-echo-ipv4.yaml
$ kubectl apply --namespace ipv6 -f @samples/tcp-echo/tcp-echo-ipv6.yaml
</code></pre></li><li><p>Apply the <code>sleep</code> deployment in the <code>default</code> namespace:</p><pre><code class=language-bash data-expandlinks=true data-repo=istio>$ kubectl appl