CronJob in OpenShift Container Platform 4 is failing but was previously working on OpenShift Container Platform 3

Issue

• One of our applications uses CronJob to trigger activity on scheduled basis. It works perfectly fine on OCP 3.11 but fails on 4.6 with very strange events as shown below.

  3m23s       Warning   FailedCreatePodSandBox   pod/job-XXXXXXXX-YYYYY   (combined from similar events): Failed to create pod sandbox: rpc error: code = Unknown desc = container create failed: time="2021-03-12T14:05:57Z" level=error msg="container_linux.go:366: starting container process caused: process_linux.go:472: container init caused: read init-p: connection reset by peer"