[Bug 278941] Virtual machine with Debian 12 guest gets stuck after S3 mode

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=278941

            Bug ID: 278941
           Summary: Virtual machine with Debian 12 guest gets stuck after
                    S3 mode
           Product: Base System
           Version: 14.0-RELEASE
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: bhyve
          Assignee: virtualization@FreeBSD.org
          Reporter: konstantin.t.i@ya.ru

Hi.
FreeBSD 13.2
FreeBSD 13.3
FreeBSD 14.1-BETA2

I work with bhyve via vm-bhyve.

Reproducing the problem:
1) launch bhyve virtual machine with guest "Debian 12".
2) enter S3 mode using the command "zzz" or "acpiconf -s 3".
3) exit S3 mode.
4) we observe glitches in the virtual machine with "Debian 12".

If you launch a bhyve virtual machine with a "Debian 12" guest, and then enter
and exit S3 mode using the command "zzz" or "acpiconf -s 3", then the virtual
machine starts to slow down and freeze.
For example:
- IP addresses are not pinged from the virtual machine, even 127.0.0.1
- some commands stop executing, even reboot

at the same time, you can ping the guest from the host and even try to connect
via ssh, but the ssh connection is not completed completely.

Sometimes the problem may not be reproduced, but more often it is reproduced.
With Debian 11/10 the problem is not reproducible.
The problem is not reproducible on Ubuntu.

Recorded on video: https://disk.yandex.ru/i/NgmryhIytofmVw
In order to fully understand the problem, you need to reproduce the problem
yourself and see what happens to the virtual machine.

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