[OpenStack] openvswitch using 100% cpu on OVN deployment, delay on security groups being applied

Solution In Progress - Updated -


  • There is a delay in applying security groups on instances created by a heat template or manually, Thus there is no connection between instances
  • After some time (about 30 min) it starts working
  • High CPU usage by the ovn-controller


  • Red Hat OpenStack Platform 13
  • OpenVSwitch
  • OVN

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