From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stephen Hemminger Subject: Re: [PATCH 1/2] bridge: leave carrier on for empty bridge Date: Fri, 2 Sep 2011 23:30:41 -0700 Message-ID: <20110902233041.30732b69@s6510.ftrdhcpuser.net> References: <20110902172220.830228928@vyatta.com> <20110902172247.396753508@vyatta.com> <4E614CF7.7030700@gmail.com> <20110902151100.327af0bf@nehalam.ftrdhcpuser.net> <4E618DCD.5070901@sfc.wide.ad.jp> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: Nicolas de =?ISO-8859-1?B?UGVzbG/8YW4=?= , "David S. Miller" , netdev@vger.kernel.org, Achmad Basuki To: Ang Way Chuang Return-path: Received: from mail.vyatta.com ([76.74.103.46]:58508 "EHLO mail.vyatta.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754153Ab1ICGao (ORCPT ); Sat, 3 Sep 2011 02:30:44 -0400 In-Reply-To: <4E618DCD.5070901@sfc.wide.ad.jp> Sender: netdev-owner@vger.kernel.org List-ID: On Sat, 03 Sep 2011 11:15:41 +0900 Ang Way Chuang wrote: > A more ideal solution in this case is to add the option to enabling carrier on sysfs and modify libvirtd > to turn on the carrier if IPv6 is enabled. But it will still break the existing configuration until everyone > upgrade to the latest libvirtd and kernel. Since there is no other complain from other user with this setup, > I guess nobody actually assigns IPv6 to libvirtd network device at this moment (partly because virt-manager > doesn't expose that functionality yet??). Not sure about adding an option to support a configuration that is only available by manually editing the xml files. There can't be that many people using libvirt in this way, and fixing libvirt seems like a better solution. Rather than rush in a kludge to handle this, let's take a few days and examine what libvirt is trying to do and how it is doing it.