Piracy: ꜱᴀɪʟ ᴛʜᴇ ʜɪɢʜ ꜱᴇᴀꜱ

I want to run only qBittorrent through my VPN but with my current setup, I have a namespace for OpenVPN and qBittorrent runs entirely through it. The issue with that is that Sonarr and Radarr can't access it. Because of that, I would like to switch my setup to use a network interface instead. What would be the best way to do that?

Edit: I used this guide, with some changes to make it work on my setup, to set it up. I can also post my docker-compose file here if anyone's interested.