From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Michael S. Tsirkin" Subject: Re: [PATCHv3 0/4] qemu-kvm: vhost net support Date: Sun, 23 Aug 2009 22:22:11 +0300 Message-ID: <20090823192210.GA29928@redhat.com> References: <20090817123701.GA10700@redhat.com> <7162ab20908181354g653ecd2ch3b3dc36ca16babff@mail.gmail.com> <20090818210411.GD20393@redhat.com> <7162ab20908181411q4209d1f7v64b263712fd74852@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: avi@redhat.com, kvm@vger.kernel.org, virtualization@lists.linux-foundation.org, gregory.haskins@gmail.com To: Alex Williamson Return-path: Received: from mx1.redhat.com ([209.132.183.28]:33594 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933820AbZHWTYK (ORCPT ); Sun, 23 Aug 2009 15:24:10 -0400 Content-Disposition: inline In-Reply-To: <7162ab20908181411q4209d1f7v64b263712fd74852@mail.gmail.com> Sender: kvm-owner@vger.kernel.org List-ID: On Tue, Aug 18, 2009 at 03:11:04PM -0600, Alex Williamson wrote: > On Tue, Aug 18, 2009 at 3:04 PM, Michael S. Tsirkin wrote: > > Did you assign ip address in host by any chance? You don't want that. > > Nope, just up on the host, no IP: > > eth10 Link encap:Ethernet HWaddr 00:17:a4:77:a4:08 > inet6 addr: fe80::217:a4ff:fe77:a408/64 Scope:Link > UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 > RX packets:22446487 errors:0 dropped:0 overruns:0 frame:0 > TX packets:4529008 errors:0 dropped:0 overruns:0 carrier:0 > collisions:0 txqueuelen:1000 > RX bytes:1492187453 (1.3 GiB) TX bytes:2972806236 (2.7 GiB) > Memory:fbae0000-fbb00000 Just had a different, but slightly similar problem when the host running qemu had forwarding enabled. Is it possible your host is forwarding the packets somewhere else, and that's why we get the dupes? sysctl -w net.ipv4.conf.all.forwarding=0 -- MST