An ocf:heartbeat:Route resource fails to start with error "Failed to add network route ... any valid prefix is expected rather than ..."

Solution Verified - Updated -

Issue

  • A Route cluster resource fails to start with an error like the following:

    Jan 23 14:44:09 node1 Route(ext_routes)[115429]: ERROR: ext_routes Failed to add network route: to 192.168.22.21/32,192.168.22.22/32 via 192.168.22.1 src 192.168.22.11
Jan 23 14:44:09 node1 lrmd[1613]:   notice: ext_routes_start_0:115429:stderr [ Error: any valid prefix is expected rather than "192.168.22.21/32,192.168.22.22/32". ]

Environment

  • Red Hat Enterprise Linux 7 or 8 (with the High Availability Add-on)
  • An ocf:heartbeat:Route resource

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