clusters fail after changing rp_filter=1 on heartbeat

Solution In Progress - Updated -

Issue

  • Seeing "[TOTEM] Retransmit List: e4 e5 e6" type messages in the log.
  • The list of messages "e4 e5 e6" continues to grow without old messages getting removed.
  • This started to happen when rp_filter was set to 1.

Environment

  • Red Hat Enterprise Linux

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