After performing a live migration of a VM you may encounter issues with the clock of the migrated VM. The time drifts fairly fast in the future or the past and
ntpd doesn't seem to be able sync the time.
A bit of testing showed that the problem disappeared when we replaced
chrony. So it seems to be a
openntpd issue probably.
To fix the issue on Ubuntu:
sudo apt-get purge openntpd
sudo rm /var/lib/openntpd/db/ntpd.drift
openntpd and deploy the config again. In the makandra setup this is done by