Hi Holger, I did the exact same thing as you months ago until I noticed the existence of "openvpn-systemd-resolved" that happens to be a "suggested" package:
On 2019-09-19 7:37 a.m., Holger Mueller wrote: ... > Versions of packages openvpn suggests: > ii openssl 1.1.1c-1 > pn openvpn-systemd-resolved <none> > pn resolvconf <none> It worked well in my tests so you should give it a try. Regards, Simon