Cluster installation/node addition is stuck on installation phase: "Waiting for control plane"

Solution Verified - Updated -

Issue

  • The new worker node is not getting bootstrapped into the existing cluster.
  • Not able to scale nodes as its stuck in state: "Waiting for control plane".
  • Cluster installation using ACM is stuck.

Environment

  • Red Hat Advanced Cluster Management (RHACM) for Kubernetes 2.x
  • Assisted-Installer/Assisted-Service

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