From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pavel Emelyanov Subject: Re: [PATCH] ipt_CLUSTERIP: Add network device notifier Date: Wed, 11 Jun 2014 15:58:58 +0400 Message-ID: <53984482.5060309@parallels.com> References: <1396871929.3741.6.camel@tkhai> <20140428142306.GA28547@localhost> <1402487079.32126.54.camel@tkhai> <20140611114957.GA23352@localhost> <1402487718.32126.63.camel@tkhai> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Cc: Pablo Neira Ayuso , , Patrick McHardy , Jozsef Kadlecsik , To: Kirill Tkhai Return-path: Received: from relay.parallels.com ([195.214.232.42]:57904 "EHLO relay.parallels.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751209AbaFKL7I (ORCPT ); Wed, 11 Jun 2014 07:59:08 -0400 In-Reply-To: <1402487718.32126.63.camel@tkhai> Sender: netfilter-devel-owner@vger.kernel.org List-ID: On 06/11/2014 03:55 PM, Kirill Tkhai wrote: >> How it this combination being triggered there? I mean: >> >> # modprobe dummy >> # iptables -A INPUT -d 10.31.3.236 -j CLUSTERIP ... >> # rmmod dummy >> >> Is it something included in some scripts that automate the setup? > > It's a sample of how to trigger this. The problem is not in rmmod. > > Really it happens when container is stopping and device is going away. > It's not OpenVZ related, current LXC has the same problem. Then it should be reproducible with the help of simple 'unshare --net' plus 'ip link add ...' commands that would create netns and populate it with devices. Right? Thanks, Pavel