Hi,

On 2016-06-14, at 19:15, Andrey Vagin <avagin@virtuozzo.com> wrote:
> Recently we found that we have to restore more parameters for tcp
> sockets.
> https://patchwork.kernel.org/patch/9144995/

thanks for the pointer.

> As for your problem, criu saves and restores mss_clamp. Could you check
> that it works for your case?

I do this already, but clamping doesn't help here, since it only limits the MSS (but does not increase it from the minimum.)

Lars