Comment 3 for bug 1926838

After upgrading to Xena, the neutron's cpu usage has increased considerably.
Logs start to show many "bumped revision number" events.

2022-06-01 08:52:43.554 2004379 INFO neutron.db.ovn_revision_numbers_db [req-24c02bf9-4397-4d8b-b193-0720a22d23d8 - - - - -] Successfully bumped revision number for resource 8bfd6bcd-5aba-4139-a4ae-37c4e9700bb3 (type: ports) to 307
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2022-06-01 08:52:51.186 2004379 INFO neutron.db.ovn_revision_numbers_db [req-24c02bf9-4397-4d8b-b193-0720a22d23d8 - - - - -] Successfully bumped revision number for resource 8bfd6bcd-5aba-4139-a4ae-37c4e9700bb3 (type: router_ports) to 312
2022-06-01 08:52:51.300 2004379 INFO neutron.db.ovn_revision_numbers_db [req-24c02bf9-4397-4d8b-b193-0720a22d23d8 - - - - -] Successfully bumped revision number for resource 8bfd6bcd-5aba-4139-a4ae-37c4e9700bb3 (type: ports) to 312

Removing deployed items after upgrading to Xena causes the cpu load to drop.