Comment 16 for bug 1878723

Just want to give a heads up that manual unpack followed by apt install -f still crashes, however the VM automatically rebooted this time (instead of remaining dead) and I was able to proceed with usual apt update afterwards with no further issues.

root@web1:~# curl -LO https://launchpad.net/ubuntu/+archive/primary/+files/libjson-c2_0.11-4ubuntu2.2_amd64.deb
  % Total % Received % Xferd Average Speed Time Time Time Current
                                 Dload Upload Total Spent Left Speed
  0 0 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0
100 21858 100 21858 0 0 10273 0 0:00:02 0:00:02 --:--:-- 164k
root@web1:~# dpkg --unpack libjson-c2_0.11-4ubuntu2.2_amd64.deb
(Reading database ... 39096 files and directories currently installed.)
Preparing to unpack libjson-c2_0.11-4ubuntu2.2_amd64.deb ...
Unpacking libjson-c2:amd64 (0.11-4ubuntu2.2) over (0.11-4ubuntu2.2) ...
Processing triggers for libc-bin (2.23-0ubuntu11) ...
root@web1:~# reboot
root@web1:~# logout
[root@redacted ~]# vzctl enter 040199a0-e959-4428-87e6-76dd3b26262e
entered into CT
root@web1:/# apt install -f
Reading package lists... Done
Building dependency tree... 50%
[1]+ Stopped apt install -f
Building dependency tree
Reading state information... Done
0 upgraded, 0 newly installed, 0 to remove and 15 not upgraded.
1 not fully installed or removed.
After this operation, 0 B of additional disk space will be used.
Setting up libjson-c2:amd64 (0.11-4ubuntu2.2) ...
Processing triggers for libc-bin (2.23-0ubuntu11) ...
Got signal 9
            [root@redacted ~]#