Hi Shengjing, Thanks for the patch. I'll apply this. But one question: On Fri, Aug 19, 2022 at 01:27:28AM +0800, Shengjing Zhu wrote: > dev := &netTun{ > + ep: channel.New(1024, uint32(mtu), ""), How did you come up with 1024 here? And more generally, how's performance of this compare to what was there before? Thanks, Jason