ROSA HCP 4.22: All NLB Targets Unhealthy (Target.FailedHealthChecks) After PROXY Protocol Enabled on Default IngressController

Solution In Progress - Updated -

Issue

  • On ROSA HCP clusters running OpenShift 4.22.x, all AWS Network Load Balancer(NLB) targets are marked unhealthy (Target.FailedHealthChecks) in the AWS Target Groups for the default IngressController. Custom NLB-type
    IngressControllers created on the cluster are also affected.

Environment

  • Red Hat OpenShift Service on AWS (ROSA) Hosted Control Planes (HCP)

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