action #135515
## Observation
host up alert since today morning https://monitor.qa.suse.de/d/WDmalbec/worker-dashboard-malbec?viewPanel=65105&orgId=1&from=1694419433265&to=1694422652024
## Rollback steps
* Unsilence `alertname=malbec: host up alert`
* Add back malbec to salt when back up (if ever)