I am reviewing the SRU MPs linked to this bug (for resolute) and there
are some pieces of information about the bug itself that are not clear
to me.

First of all, the test case should have instructions to reproduce the
bug - what to run, what to verify - and then instructions on how to
install the proposed fixes and see that they work - again, what to run,
what to verify. Right now the test plan only has the second part.

Reading the "steps to reproduce" from the Original Description, I still
have some doubts about the SRUs. Summarizing from the individual
reviews:

For libvirt:
I see how the bug happens in libvirt, when testing it with libvirt-daemon and 
libvirt-daemon-hwe. I am confused because when using the packages from the 
provided PPA, which include the fix, I get exactly the same behavior, including 
apt messages and systemctl command output. Of course I may be doing the wrong 
thing and looking at the wrong direction... But from what the bug states, I 
can't see the fix.

For qemu:
I see Christian approved the MPs which is nice, and indicates even more that I 
am not understanding what is happening.
From what I see, some binaries built from the qemu source don't even leave 
config files behind when uninstalled, and can't be purged - which is the case 
of qemu-system, for instance. qemu-guest-agent is leaving config behind and can 
be purged, but then what to look for? the service is loaded and inactive in 
whatever scenario.

For seabios and edk2:
I put these as questions in the MPs but reading the bug I see:
```
to prevent this issue from happening in case we SRU an other fix that makes use 
of a dynamic conffile.
```

I found no binaries in these two packages leaving config files behind,
so there isn't even the possibility to purge once the -hwe version is
installed. That makes me honestly against the SRU: I think SRUing
changes to protect us from future changes in the same packages falls off
rule number 1 in
https://ubuntu.com/project/docs/SRU/explanation/requirements/ - there is
risk involved for no user impact at all.

Please consider the same about qemu and libvirt - although of course I
may be wrong there and not seeing what the change is doing.

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https://bugs.launchpad.net/bugs/2164849

Title:
  purging libvirt-daemon when libvirt-daemon-hwe is installed breaks
  libvirt-daemon-hwe

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