To Reproduce Steps to reproduce the behavior:

The Customer updated his cluster to FR4 and has noticed the following errors in logs:
[pod/neutron-679b7c9489-wb9gv/neutron-api] 2025-12-05 07:27:37.969 17 ERROR futurist.periodics [None req-51127d69-d230-4cd2-ac79-b1638bf0839f - - - - - -] Failed to call periodic 'neutron.plugins.ml2.drivers.ovn.mech_driver.ovsdb.maintenance.DBInconsistenciesPeriodics.update_lrouter_ports_ext_ids_name_prefix' (it runs every 5.00 seconds): AttributeError: 'dict' object has no attribute 'name'
[pod/neutron-679b7c9489-wb9gv/neutron-api] 2025-12-05 07:27:37.969 17 ERROR futurist.periodics Traceback (most recent call last):
[pod/neutron-679b7c9489-wb9gv/neutron-api] 2025-12-05 07:27:37.969 17 ERROR futurist.periodics File "/usr/lib/python3.9/site-packages/futurist/periodics.py", line 290, in run
[pod/neutron-679b7c9489-wb9gv/neutron-api] 2025-12-05 07:27:37.969 17 ERROR futurist.periodics work()
[pod/neutron-679b7c9489-wb9gv/neutron-api] 2025-12-05 07:27:37.969 17 ERROR futurist.periodics File "/usr/lib/python3.9/site-packages/futurist/periodics.py", line 64, in _call_
[pod/neutron-679b7c9489-wb9gv/neutron-api] 2025-12-05 07:27:37.969 17 ERROR futurist.periodics return self.callback(*self.args, **self.kwargs)
[pod/neutron-679b7c9489-wb9gv/neutron-api] 2025-12-05 07:27:37.969 17 ERROR futurist.periodics File "/usr/lib/python3.9/site-packages/futurist/periodics.py", line 178, in decorator
[pod/neutron-679b7c9489-wb9gv/neutron-api] 2025-12-05 07:27:37.969 17 ERROR futurist.periodics return f(*args, **kwargs)
[pod/neutron-679b7c9489-wb9gv/neutron-api] 2025-12-05 07:27:37.969 17 ERROR futurist.periodics File "/usr/lib/python3.9/site-packages/neutron/plugins/ml2/drivers/ovn/mech_driver/ovsdb/maintenance.py", line 86, in decorator
[pod/neutron-679b7c9489-wb9gv/neutron-api] 2025-12-05 07:27:37.969 17 ERROR futurist.periodics return f(self, *args, **kwargs)
[pod/neutron-679b7c9489-wb9gv/neutron-api] 2025-12-05 07:27:37.969 17 ERROR futurist.periodics File "/usr/lib/python3.9/site-packages/neutron/plugins/ml2/drivers/ovn/mech_driver/ovsdb/maintenance.py", line 534, in update_lrouter_ports_ext_ids_name_prefix
[pod/neutron-679b7c9489-wb9gv/neutron-api] 2025-12-05 07:27:37.969 17 ERROR futurist.periodics name=port.name,
[pod/neutron-679b7c9489-wb9gv/neutron-api] 2025-12-05 07:27:37.969 17 ERROR futurist.periodics AttributeError: 'dict' object has no attribute 'name'
[pod/neutron-679b7c9489-wb9gv/neutron-api] 2025-12-05 07:27:37.969 17 ERROR futurist.periodics
Expected behavior

• Neutron Logs without Errors

Bug impact

• To be evaluated

Known workaround

• N/A

Additional context

• Upstream Tracker: https://review.opendev.org/c/openstack/neutron/+/970056