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Bug 1943626

Summary:	ovs-vswitchd consumes 300% CPU after ovs to ovn migration
Product:	Red Hat OpenStack	Reporter:	Jakub Libosvar <jlibosva>
Component:	python-networking-ovn	Assignee:	Jakub Libosvar <jlibosva>
Status:	CLOSED ERRATA	QA Contact:	Roman Safronov <rsafrono>
Severity:	high	Docs Contact:
Priority:	high
Version:	16.1 (Train)	CC:	apevec, eolivare, lhh, majopela, rsafrono, scohen
Target Milestone:	z9	Keywords:	AutomationBlocker, Triaged
Target Release:	16.1 (Train on RHEL 8.2)
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:
Fixed In Version:	python-networking-ovn-7.3.1-1.20220126223732.4e24f4c.el8ost	Doc Type:	No Doc Update
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2022-12-07 20:24:45 UTC	Type:	Bug
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:

Description Jakub Libosvar 2021-03-26 16:41:40 UTC

Description of problem:
CPU is consumed because old interfaces are added and removed in a loop

2021-03-26T16:39:16.032Z|443860|bridge|INFO|bridge br-int: added interface fg-14e47499-d4 on port 7
2021-03-26T16:39:16.049Z|443861|bridge|INFO|bridge br-int: deleted interface qg-f1e93ca0-86 on port 7
2021-03-26T16:39:16.078Z|443862|bridge|INFO|bridge br-int: added interface qg-f1e93ca0-86 on port 7
2021-03-26T16:39:16.096Z|443863|bridge|INFO|bridge br-int: deleted interface fg-14e47499-d4 on port 7
2021-03-26T16:39:16.123Z|443864|bridge|INFO|bridge br-int: added interface fg-14e47499-d4 on port 7
2021-03-26T16:39:16.140Z|443865|bridge|INFO|bridge br-int: deleted interface qg-f1e93ca0-86 on port 7
2021-03-26T16:39:16.158Z|443866|bridge|INFO|bridge br-int: added interface qg-f1e93ca0-86 on port 7
2021-03-26T16:39:16.174Z|443867|bridge|INFO|bridge br-int: deleted interface fg-14e47499-d4 on port 7
2021-03-26T16:39:16.195Z|443868|bridge|INFO|bridge br-int: added interface fg-14e47499-d4 on port 7
2021-03-26T16:39:16.212Z|443869|bridge|INFO|bridge br-int: deleted interface qg-f1e93ca0-86 on port 7

We need to clean those unused interfaces out.

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Comment 13 errata-xmlrpc 2022-12-07 20:24:45 UTC

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory (Red Hat OpenStack Platform 16.1.9 bug fix and enhancement advisory), and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHBA-2022:8795