Once doing that, only traffic routed via the VPN works. Regular traffic going to IP's not defined in that route stops working. I can't ping Google.com or anything. As an alternative, I've installed Docker, set up Mullvad on it and created a SOCKS5 proxy and configured qBittorrent to route via that.. This works fine.

IPSec VPN traffic works only one way | Fortinet Technical Oct 20, 2015 Require VPN traffic only (prevent IP leakage) | For servers May 20, 2020

How to Bypass VPN Blocks: Guide to Unblocking Your Activity

Some VPN servers and clients are configured by default to route only certain traffic through the VPN server. That’s often the case if you’re using a company or university VPN that is intended to allow users to access internal apps and services from remote locations, rather than encrypt all of their online activity.

VPN Routing: Route all except for Internet traffic

VPN Unlimited review | TechRadar