From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jay Vosburgh Subject: Re: [PATCH net-next] ipv6: recreate ipv6 link-local addresses when increasing MTU over IPV6_MIN_MTU Date: Mon, 26 Oct 2015 12:16:49 -0700 Message-ID: <9831.1445887009@famine> References: <1445870205-27202-1-git-send-email-hannes@stressinduktion.org> <562E4C26.3030501@gmail.com> <1445877236.175039.420582401.131556D5@webmail.messagingengine.com> Cc: Alexander Duyck , netdev@vger.kernel.org To: Hannes Frederic Sowa Return-path: Received: from youngberry.canonical.com ([91.189.89.112]:48712 "EHLO youngberry.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751184AbbJZTQx (ORCPT ); Mon, 26 Oct 2015 15:16:53 -0400 In-reply-to: <1445877236.175039.420582401.131556D5@webmail.messagingengine.com> Sender: netdev-owner@vger.kernel.org List-ID: Hannes Frederic Sowa wrote: >Hello Alex, > >On Mon, Oct 26, 2015, at 16:52, Alexander Duyck wrote: >> Seems like this code isn't quite correct. You are calling ipv6_add_dev >> for slave devices, and if I understand things correctly I don't believe >> that was happening before and may be an unintended side effect. > >Ah, btw., autoconf and ipv6 operation on IFF_SLAVE devices is actually >desired nowadays and don't think we can change this. See also: > IPv6 addrconf on IFF_SLAVE devices was disabled for bonding slaves in commit c2edacf80e15 because it caused issues with snooping switches. This is also referenced in https://bugzilla.redhat.com/show_bug.cgi?id=236750 Won't re-enabling autoconf on IFF_SLAVE devices cause that issue to return? -J --- -Jay Vosburgh, jay.vosburgh@canonical.com