OpenShift ServiceMesh GRPC error HTTP/2 200 NR route_not_found

Solution Verified - Updated -

Issue

  • GRPC service is not responding
  • istio-proxy logs show "GET /example HTTP/2" 200 NR route_not_found

Environment

  • OpenShift ServiceMesh 2.x
  • GRPC Service without TLS termination at Service level

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