Comment # 3 on bug 1118092 from Robert Munteanu

(In reply to Daniel Molkentin from comment #1)
> It seems that openSUSE Leap only has systemd 228. RandomizedDelaySec was
> added in 229. However, this should just be a warning and should not break
> execution. Can you check your log for the time the timer ran last? Can you
> check whether its enabled?

You're right, the timer was not enabled and manually starting it worked. I
think my confusion came from the fact that the timer was not enabled but I was
using a cron job before and that worked.

I can understand the reasons for migrating, but unfortunately it silently broke
renewal, which is unexpected for a stable release like Leap. For TW I am used
to a little breakage now and then :-)