xn ethernet issues as DOMU under NetBSD DOM0

[Stephen Jones]

On Tue, May 3, 2016 at 3:11 PM, Miguel C <miguelmclara at gmail.com> wrote:
> This was reported by me and others a few times its was actually fixed 
> in some 10.0 (current build at the time) but we could never track it, 
> however it always seemed related to tso, netbsd backhend (as I was 
> told back then) doesn't support at least tso, and In fact I had the 
> same issue with Windwos Guests but the PV drivers dev fixed it (and it 
> was indeed related to this)

kmacy writes:
> That would explain it. If the Linux backend supports TSO, then netfront will of course advertise TSO. And presumably there's no way to query the > netback, since Xen is linux-centric. Assuming you haven't already I would disable TSO.

> Or have you already tried that?
> else can...

On the DOMU, right?

I believe I did an ifconfig xn0 -tso on the 10.3 install after reading about it in the manpage, but did not see any improvements. 
I'll give it a shot with the 11 snapshot and see if that resolves the issue.