I'm getting an error immediately after pairing with the 6 digit code, I tried both ipv6 and ipv4, with and without zerotier connected but it always fails after pairing. I also tried clearing the "Android TV Remote Service" cache and data, doesn't work either.
I have other Android TV devices (Mi Box 4) that connect correctly, it's only this one that's causing trouble. ADB integration works fine, so it doesn't seem to be a connectivity issue.