Comment 92 for bug 1861936

So exactly what type of payload triggers the issues, that i cant work out.

I know the traffic profile, vast majority of it is monitoring related as my VPS is running grafana/influx and my internal clients are sending data over this tunnel using telegraf.
There is also a fair bit of ICMP etc traffic, so all "monitoring" related.

For a bit of clarity, my Pi essentially acts as an internal router to link to my VPS.
So clients send traffic originating from 192.168.x.x to 192.168.200.11 (internal static routes) to reach the 10.241.0.x network.

Will ping you offline to see if I can provide a level of access to troubleshoot in real time.