Comment 18 for bug 1878969

xenial:

$ pull-lp-source systemd 229-4ubuntu21.30
...
$ stat -c '%y' systemd-229/NEWS
2016-02-11 11:28:00.000000000 -0500

$ lxc launch --vm ubuntu:xenial lp1878969-x

$ lxc console lp1878969-x
...
ubuntu@lp1878969-x:~$ sudo systemctl disable systemd-timesyncd.service
Removed symlink /etc/systemd/system/sysinit.target.wants/systemd-timesyncd.service.

$ sudo date -s '1990-01-01'
Mon Jan 1 00:00:00 UTC 1990
$ lxc start lp1878969-x
$ lxc console lp1878969-x
...
ubuntu@lp1878969-x:~$ dpkg -l systemd|grep systemd
ii systemd 229-4ubuntu21.29 amd64 system and service manager
ubuntu@lp1878969-x:~$ date
Thu Feb 11 16:28:17 UTC 2016

From https://launchpad.net/ubuntu/+source/systemd/229-4ubuntu21.30
" -- Dan Streetman <email address hidden> Wed, 17 Mar 2021 17:41:20 -0400"

$ date
Mon Jan 1 00:03:49 UTC 1990
$ lxc start lp1878969-x
$ lxc console lp1878969-x
...
ubuntu@lp1878969-x:~$ dpkg -l systemd|grep systemd
ii systemd 229-4ubuntu21.30 amd64 system and service manager
ubuntu@lp1878969-x:~$ date
Thu Feb 11 16:28:40 UTC 2016

verification failed, unfortunately; the patch didn't properly set the time epoch.