Ran into a problem with our testing this morning on a newly create ROKS cluster
```
    Error running /usr/bin/oc --namespace=e2e-test-oc-service-p4fz2 --kubeconfig=/tmp/configfile2694323048 create service nodeport mynodeport --tcp=8080:7777 --node-port=30000:    StdOut>    error: failed to create NodePort service: Service "mynodeport" is invalid: spec.ports[0].nodePort: Invalid value: 30000: provided port is already allocated    StdErr>    error: failed to create NodePort service: Service "mynodeport" is invalid: spec.ports[0].nodePort: Invalid value: 30000: provided port is already allocated    exit status 1
```

The port was already used by a different service, we would like to make a feature request to the testing to make the port number dynamic so that if that port is taken up, it can choose an available one.

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