After applying this patch for neutron-server, I can still see the same errors in Rally (neutronclient.common.exceptions.Conflict: Unable to complete operation on subnet This subnet is being modified by another concurrent operation.).
The additional metadata port log entries are showing up:
$ grep "Unable to update" /var/log/neutron/neutron-server.log
2020-08-06 16:18:01.184 1861427 WARNING neutron.plugins.ml2.drivers.ovn.mech_driver.ovsdb.ovn_client [req-14b20508-e8af-4cbe-ac26-01b7db79185d c11bb69491d64f77acbd0fa5261dded0 09864d4c1ece4ace967b58aea383bf13 - 7a9fab9568114905b8c864caaa6468e1 7a9fab9568114905b8c864caaa6468e1] Unable to update metadata port on network b5cdfe05-f6dc-408d-a738-44ddf2438af0 for subnet cebbf10a-4ecb-4754-833b-6911c99f1548. The update will be performed in a maintenance job.: neutron_lib.exceptions.SubnetNotFound: Subnet e664178c-3875-4db8-95a5-91aa5637d894 could not be found.
2020-08-06 16:18:09.887 1861432 WARNING neutron.plugins.ml2.drivers.ovn.mech_driver.ovsdb.ovn_client [req-c3e7193a-8626-43e7-903b-214a250ed878 a890ac112c874f5ba9062aee95586e3a bb6d36aabfe24e9399a5faae5ed02743 - 7a9fab9568114905b8c864caaa6468e1 7a9fab9568114905b8c864caaa6468e1] Unable to update metadata port on network 469f44ca-ef25-4995-8a41-b85568cbd5af for subnet 32535c97-26ec-470e-b533-ba6d53f9ef04. The update will be performed in a maintenance job.: neutron_lib.exceptions.SubnetNotFound: Subnet 8b3724e1-77e0-4993-a293-94b2b9db8cec could not be found.
After applying this patch for neutron-server, I can still see the same errors in Rally (neutronclient. common. exceptions. Conflict: Unable to complete operation on subnet This subnet is being modified by another concurrent operation.).
The additional metadata port log entries are showing up: neutron/ neutron- server. log plugins. ml2.drivers. ovn.mech_ driver. ovsdb.ovn_ client [req-14b20508- e8af-4cbe- ac26-01b7db7918 5d c11bb69491d64f7 7acbd0fa5261dde d0 09864d4c1ece4ac e967b58aea383bf 13 - 7a9fab956811490 5b8c864caaa6468 e1 7a9fab956811490 5b8c864caaa6468 e1] Unable to update metadata port on network b5cdfe05- f6dc-408d- a738-44ddf2438a f0 for subnet cebbf10a- 4ecb-4754- 833b-6911c99f15 48. The update will be performed in a maintenance job.: neutron_ lib.exceptions. SubnetNotFound: Subnet e664178c- 3875-4db8- 95a5-91aa5637d8 94 could not be found. plugins. ml2.drivers. ovn.mech_ driver. ovsdb.ovn_ client [req-c3e7193a- 8626-43e7- 903b-214a250ed8 78 a890ac112c874f5 ba9062aee95586e 3a bb6d36aabfe24e9 399a5faae5ed027 43 - 7a9fab956811490 5b8c864caaa6468 e1 7a9fab956811490 5b8c864caaa6468 e1] Unable to update metadata port on network 469f44ca- ef25-4995- 8a41-b85568cbd5 af for subnet 32535c97- 26ec-470e- b533-ba6d53f9ef 04. The update will be performed in a maintenance job.: neutron_ lib.exceptions. SubnetNotFound: Subnet 8b3724e1- 77e0-4993- a293-94b2b9db8c ec could not be found.
$ grep "Unable to update" /var/log/
2020-08-06 16:18:01.184 1861427 WARNING neutron.
2020-08-06 16:18:09.887 1861432 WARNING neutron.
The relevant part of rally output: https:/ /pastebin. ubuntu. com/p/czdgj994X 7/