This is a clone of issue OCPBUGS-2832. The following is the description of the original issue:
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Starting with a working BMER setup, using http sidecar and a consumer, the consumer gets the events.

I then restart the hw-event-proxy pod, and wait until the new pod is ready to receive messages.

I then send ten more messages, and see them received in the hw-event-proxy log.

But they do not appear in the consumer.

This test case worked ok with 4.11 and AMQ sidecar.

Reproduce steps:

1. deploy SNO cluster with BMER
2.  Clone https://gitlab.cee.redhat.com/cnf/cnf-gotests tests
3. Set BMC_HOSTS to redfish address, sent to developer.
4. Set BMC_USER and BMC_PASSWORD
5. run the test: FEATURES="ranhwevent" make test-features
6. test will configure the application and deploys the consumer
7. wait for the consumer to be deployed
8. connect to the consumer logs, you can use this:  

   oc logs -n openshift-bare-metal-events $(oc get pods -n openshift-bare-metal-events|awk '/consumer.*Running/ {print $1}') -f 

1. wait for the test to restart the hw-event-proxy pod
2. when the test sends events again to the new pod
3. See that the consumer gets no new events after the new pod is created.

 
Note:

 
A workaround is to destroy the consumer and recreate it and then new events arrive.