<p>When creating a service I see in the list of internal endpoints an entry the looks like <code>myservice.sandbox-cluster:0 TCP</code> along with the ports I explicitly opened.  What is the port 0 entry for?</p>

<p>If you are using the GCE Load Balancer, <code>port 0</code> may be created. <code>port 0</code> usually means <em>"use any random free port"</em>.</p>

<p>Here is the <a href="https://github.com/kubernetes/ingress-gce/issues/75" rel="noreferrer">GitHub issue</a>. <a href="https://stackoverflow.com/questions/45738404/gce-loadbalancer-invalid-value-for-field-namedports0-port-0-must-be-gr/45974827#45974827">Here</a> is more info. Email thread about this is <a href="https://groups.google.com/forum/#!topic/kubernetes-users/5a-F38hGePs" rel="noreferrer">here</a>.</p>
