Comment # 4 on bug 1219370 from Giacomo Comes

(In reply to Dr. Werner Fink from comment #1)
> Does /usr/lib/tmpfiles.d/man-db.conf exists?

Yes

> Does /var/cache/man/ exists?

Yes

> Is this a container or full system with running systemd?

full system with systemd

> What happens is you run
> 
>    /usr/bin/systemd-tmpfiles --create /usr/lib/tmpfiles.d/man-db.conf

command get executed, no error messages