[[ https://github.com/vyos/vyos-build/blob/71638eb294963a8d68d506ec0463be4ae6b75b1e/scripts/check-qemu-install#L177-L195 | check-qemu-install ]] VM is not shutdown the first time in the qemu test
```
08:15:11 INFO - Waiting for shutdown...
08:15:21 INFO - Waiting for shutdown...
08:15:33 INFO - Waiting for shutdown...
08:15:42 INFO - Waiting for shutdown...
08:15:51 INFO - Waiting for shutdown...
08:16:01 ERROR - VM Did not shut down after 300sec
08:16:01 ERROR - Unknown error occured while VyOS!
08:16:01 Traceback (most recent call last):
08:16:01 File "/var/lib/jenkins/jenkins_slave/workspace/vyos-build_current/scripts/check-qemu-install", line 346, in <module>
08:16:01 shutdownVM(c, log, 'Shutting down installation system')
08:16:01 File "/var/lib/jenkins/jenkins_slave/workspace/vyos-build_current/scripts/check-qemu-install", line 195, in shutdownVM
08:16:01 raise Exception(tmp)
08:16:01 Exception: VM Did not shut down after 300sec
08:16:01 INFO - Cleaning up
08:16:01 INFO - Removing disk file: testinstall-20230222-061013-a889_disk0.img
08:16:01 ERROR - Hmm... system got an exception while processing.
08:16:01 ERROR - The ISO image is not considered usable!
08:16:02 make: *** [Makefile:55: testraid] Error 1
```