From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751639AbbAAVAP (ORCPT ); Thu, 1 Jan 2015 16:00:15 -0500 Received: from linode.cmadams.net ([209.123.162.222]:52999 "EHLO linode.cmadams.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751242AbbAAVAO (ORCPT ); Thu, 1 Jan 2015 16:00:14 -0500 X-Greylist: delayed 662 seconds by postgrey-1.27 at vger.kernel.org; Thu, 01 Jan 2015 16:00:14 EST Date: Thu, 1 Jan 2015 14:49:07 -0600 From: Chris Adams To: linux-kernel@vger.kernel.org Subject: Disappearing RFC3041 IPv6 privacy addresses Message-ID: <20150101204907.GA16264@cmadams.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.20 (2009-12-10) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Starting (I believe) with kernel 3.17, I am seeing RFC3041 IPv6 privacy addresses disappear while they are still in use. I have been seeing open SSH connections drop, and have finally seen one "dead" but not yet closed. At that point "ss -t" shows an ESTAB socket with a local address that is no longer listed by "ip -6 addr list br1". This is on a Fedora 20 system, currently running the Fedora 3.17.7-200.fc20.x86_64 kernel. I don't know if it matters, but my network setup is a router running OpenWRT and just IPv6 RAs and SLAAC (DHCPv6 disabled). -- Chris Adams