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  1. Red Hat OpenStack Services on OpenShift
  2. OSPRH-18571

[OSPdO] 17.1.9 FFU breaks existing neutron networks

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      From https://issues.redhat.com/browse/OSPRH-15717.

      The 16.2->17.1 upgrade (nodes still on RHEL8) stage is breaking neutron networks that existed before the FFU. Looks like the OVN DB state was lost.

      [cloud-admin@openstackclient ~]$ openstack router create --project 63ce272586574287b8210db3915ca5fc  thisisatest
      +-------------------------+--------------------------------------+
      | Field                   | Value                                |
      +-------------------------+--------------------------------------+
      | admin_state_up          | UP                                   |
      | availability_zone_hints |                                      |
      | availability_zones      |                                      |
      | created_at              | 2025-07-23T15:13:42Z                 |
      | description             |                                      |
      | external_gateway_info   | null                                 |
      | flavor_id               | None                                 |
      | id                      | b3bd1cec-8fbd-4338-b5fc-bf304552c883 |
      | name                    | thisisatest                          |
      | project_id              | 63ce272586574287b8210db3915ca5fc     |
      | revision_number         | 1                                    |
      | routes                  |                                      |
      | status                  | ACTIVE                               |
      | tags                    |                                      |
      | updated_at              | 2025-07-23T15:13:42Z                 |
      +-------------------------+--------------------------------------+
      [cloud-admin@openstackclient ~]$ openstack network list
      +--------------------------------------+--------------------------+--------------------------------------+
      | ID                                   | Name                     | Subnets                              |
      +--------------------------------------+--------------------------+--------------------------------------+
      | b4707b77-1021-48a1-b2bc-fd52195f570b | public                   | 30facca7-aff9-4904-ba4f-d96557335d0d |
      | c6ecd0ec-6688-4180-a458-6039d080f40f | heat_tempestconf_network | 71ab84d4-38cc-4fa0-ba90-a78159bb1189 |
      | cb3393fe-7b74-4431-b3cc-f62741233f96 | private                  | d95849c3-5a85-42b5-8b55-80cb721a666d |
      +--------------------------------------+--------------------------+--------------------------------------+
      [cloud-admin@openstackclient ~]$ openstack router set --external-gateway b4707b77-1021-48a1-b2bc-fd52195f570b thisisatest
      HttpException: 500: Server Error for url: https://overcloud.osptest.test.metalkube.org:13696/v2.0/routers/b3bd1cec-8fbd-4338-b5fc-bf304552c883, Request Failed: internal server error while processing your request.
      

      From neutron logs:

      2025-07-23 15:20:51.049 35 ERROR ovsdbapp.backend.ovs_idl.command [req-d38916e9-fffd-45ce-aa78-fe8f169fb140 5eb62fbe25dd4ec59e197dcd8d5d3809 63ce272586574287b8210db3915ca5fc - default default] Error executing command (LsGetCommand): ovsdbapp.backend.ovs_idl.idlutils.RowNotFound: Cannot find Logical_Switch with name=neutron-b4707b77-1021-48a1-b2bc-fd52195f570b
      

              rhn-support-mschuppe Martin Schuppert
              rhn-engineering-owalsh Oliver Walsh
              rhos-conplat-core-operators
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