With Bullseye systemd-timesyncd has become an own package, probably it got autoremoved during Buster => Bullseye upgrade? Not sure when I added a step to prevent it to our upgrade blog.
apt install systemd-timesyncd
With Bullseye systemd-timesyncd has become an own package, probably it got autoremoved during Buster => Bullseye upgrade? Not sure when I added a step to prevent it to our upgrade blog.
apt install systemd-timesyncd