Hi, On 2016-06-14, at 23:21, Andrey Vagin wrote: > On my host, I see that dst is set in tcp_v4_connect() -> sk_setup_caps() sorry, are you saying that you don't see the issue with TCP_MSS_DEFAULT-sized segments after TCP_REPAIR on your kernel? Or are you saying my quick attempt at analyzing the cause was wrong? Thanks, Lars