After migrating from ifupdown2 3.0.0-1.2 to ifupdown 0.8.43
networking.service was disabled and the host did not boot due
to lost network. Pretty painful for a headless system.


Aptitude 0.8.13: log report
Mon, Sep  2 2024 15:16:10 +0200

  IMPORTANT: this log only lists intended actions; actions which fail
  due to dpkg problems may not be completed.

Will install 1 packages, and remove 9 packages.
10.1 MB of disk space will be freed
========================================
[REMOVE, NOT USED] libcpufreq0:amd64 008-2
[INSTALL, DEPENDENCIES] ifupdown:amd64 0.8.43
[REMOVE (PURGE)] cpufrequtils:amd64 008-2
[REMOVE (PURGE)] dstat:amd64 0.7.4-6.1
[REMOVE] gconf-service:amd64 3.2.6-8
[REMOVE] gconf2-common:amd64 3.2.6-8
[REMOVE (PURGE)] ifupdown2:amd64 3.0.0-1.2
[REMOVE (PURGE)] libgconf-2-4:amd64 3.2.6-8
[REMOVE (PURGE)] lrzsz:amd64 0.12.21-11
[REMOVE (PURGE)] makedev:amd64 2.3.1-97
========================================

Log complete.

The migration was done in a properly set up chroot environment.
Esp policy-rc.d has been created (exit 101). /etc/network/\
interfaces was not lost on the migration.

I am not sure if ifupdown is to blame here. Please check.


Thank you very much

Harri