action #160646
Updated by okurz 7 months ago
## Observation
Originally reported in https://suse.slack.com/archives/C02CANHLANP/p1716169544132569
> (Richard Fan) Hello experts, many Multi-machine tests are failed like MM failed jobs on qe-core (edited)
After that as visible in https://monitor.qa.suse.de/d/nRDab3Jiz/openqa-jobs-test?orgId=1&from=1716124476616&to=1716212983933&viewPanel=24
2024-05-19 22:30 there is an increase of parallel_failed.
E.g.
openQA test in scenario sle-15-SP3-Server-DVD-Updates-x86_64-qam_kernel_multipath@64bit fails in
[multipath_iscsi](https://openqa.suse.de/tests/14377269/modules/multipath_iscsi/steps/15)
shows that it's not a problem with MTU as the error message is "connect: Network is unreachable"
`ssh worker29.oqa.prg2.suse.org "cat /etc/wicked/scripts/gre_tunnel_preup.sh"` shows a problem
```
#!/bin/sh
action="$1"
bridge="$2"
# enable STP for the multihost bridges
ovs-vsctl set bridge $bridge stp_enable=false
ovs-vsctl set bridge $bridge rstp_enable=true
for gre_port in $(ovs-vsctl list-ifaces $bridge | grep gre) ; do ovs-vsctl --if-exists del-port $bridge $gre_port ; done
```
there should be a list of GRE tunnel interface setup calls after the last line between those machines but no GRE tunnels are setup at all
## Reproducible
Fails since
https://openqa.suse.de/tests/overview?result=parallel_failed&distri=sle&version=15-SP4&build=20240519-1
## Expected result
Last good: [20240519-1](https://openqa.suse.de/tests/14362720) (or more recent)
## Suggestions
* Mitigate
* Apply workarounds
* retrigger affected jobs
* Investigate error source
* Fix the problem
* Prevent the same and similar problems in the future
## Rollback steps
* Revert https://gitlab.suse.de/openqa/salt-pillars-openqa/-/merge_requests/814
## Further details
Always latest result in the originally mentioned scenario: [latest](https://openqa.suse.de/tests/latest?arch=x86_64&distri=sle&flavor=Server-DVD-Updates&machine=64bit&test=qam_kernel_multipath&version=15-SP3)
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