Network outage is faced by virtual machines during upgrade from RHOSP 16.2 to RHOSP 17.1

Solution Verified - Updated -

Issue

  • During RHOSP upgrade fresh version of OVN controller failed communications with old control plane
  • All Instances lost network connectivity during 16.2 - 17.1 FFU

Environment

  • FFU from Red Hat OpenStack Platform 16.2 to Red Hat OpenStack Platform 17.1.3 and prior

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