Openshift 4 IPI keepalived split-brain (2 nodes broadcasting GARP for ingress VIP) 4.12.22

Solution Unverified - Updated -

Issue

  • Console is intermittently unavailable and periodically returns a connection refused when curled
  • Ingress VIP is periodically not available
  • Two nodes are broadcasting ownership of the ingress VIP address according to ARP tables
  • Access to the application terminal through the Console showing the error "The terminal connection has closed"

Environment

  • Behavior observed in Red Hat OpenShift Container Platform 4.12.12 and 4.12.22

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