As per https://64835--docspreview.netlify.app/openshift-enterprise/latest/networking/ovn_kubernetes_network_provider/configuring-ipsec-ovn#configuring-ipsec-ovn-prerequisites 

The above documentation does should the expected output or the steps to verify if the configuration is working fine or not. 

If the configuration is incorrect, we should be showing showing some troubleshooting steps. 

For example, 
to check the current established ipsec tunnel on the node you can run the following command, 

 # sudo ipsec auto --status 

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