Router pod fails following operating system upgrade

Solution In Progress - Updated -

Issue

  • Following an infrastructure node operating system upgrade from RHEL 7.6 to 7.7, router pod fails to pass readiness and liveness probes and ends up in a CrashLoopBackOff state:

    Readiness probe failed: Get http://localhost:1936/healthz: net/http: request canceled while waiting for connection (Client.Timeout exceeded while awaiting headers)
    Liveness probe failed: Get http://localhost:1936/healthz: net/http: request canceled while waiting for connection (Client.Timeout exceeded while awaiting headers)
    
  • The router HAProxy reload fails and crashes with exit status 1 error:

    E0819 13:20:32.360256      45 limiter.go:137] error reloading router: exit status 1
    

Environment

  • Red Hat OpenShift Container Platform (OCP) 3.11
  • Red Hat Enterprise Linux (RHEL) 7.7
  • tuned-2.11.0-5.el7fdp.noarch

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