I accidentally submitted this to bug-guix, first, sorry.

---------- Forwarded message ---------
From: Cameron Chaparro <cameron@cameronchaparro.com>
Date: Thu, Feb 24, 2022 at 4:11 PM
Subject: openvpn-shepherd-service is not writing log files
To: <bug-guix@gnu.org>

I noticed that the `openvpn-shepherd-service' is defining, but not
actually using, the log file when starting the client/server. I think
this patch should address that issue.

Cameron Chaparro