Today a new linux image was available (update from 5.15.12 to 5.15.19).
After installation the problems with AlderLake/z690 network module IGC
are solved.
```
phoenix@dev:~$ cat /proc/version_signature
Ubuntu 5.15.0-22.22-generic 5.15.19
```
I can now happily reboot and shutdown my box :) Can s
** Summary changed:
- Known bug in IGC causes shutdown bug in z690 environments
+ Known bug in IGC kernel module causes shutdown bug in z690 environments
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