Comment # 4 on bug 922460 from Petr Tonkoshurov

(In reply to Dr. Werner Fink from comment #3)
> Maybe you see in the output of
> 
>   journalctl -b -1
> 
> that the teamviewerd.service was flooding journald with messages after
> receiving SIGTERM. IMHO something goes wrong in teamviewerd.service, maybe
> missing dependency on network

Dear Dr. Werner Fink!

Thank you very much for quick response!
After disabling teamviewerd service I've rebooted/halted 5 times both GUI and
from command line, shutdown process seemd to be as fast as it should be.
I will delete this package ASAP.

Again, thanks a lot!