ovs reported 'ofproto_dpif_upcall(handlerXXX)|WARN|upcall: datapath flow limit reached' and network connectivity to instances was not stable.

Solution Unverified - Updated -

Issue

  • ovs reports 'ofproto_dpif_upcall(handlerXXX)|WARN|upcall: datapath flow limit reached' and network connectivity to instances were not stable.

Environment

  • Red Hat OpenStack Platform 13
  • OVS-2.9 or earlier.

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