Merge pull request ceph#60132 from li-positiveandfocus/wip-67820-lj

qa/tasks: added "is down" warning to thrash-old-clients ignorelist

Reviewed-by: Laura Flores <[email protected]>

Author: yuriw

qa/tasks/thrashosds-health.yaml

@@ -30,3 +30,4 @@ overrides:
       - out of quorum
       - noscrub
       - nodeep-scrub
+      - is down