Comment # 4 on bug 957609 from boo35 boo35

(In reply to Ludwig Nussel from comment #3)
> could you run
> grep -r logrotate.timer /usr/lib/systemd/system /etc/systemd/system
> please? I guess there's some unit file that requires logrotate.timer.

grep -r logrotate.timer /usr/lib/systemd/system /etc/systemd/system
    (empty)

I've only found mention of it so far in 

  /usr/lib/systemd/system-preset/90-default-openSUSE.preset