Openshift pod process container does not correctly reap zombie process with shareProcessNamespace set

Solution Verified - Updated -

Issue

Pod processes stuck in defunct state. Pod process container is not correctly reaping pods that have the shareProcessNamespace flag set to True.
Exhaustion of the process table slots on some worker nodes.

Environment

Red Hat Openshift Container Platform 4.4
Red Hat Openshift Container Platform 4.5
Red Hat Openshift Container Platform 4.6

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