From: David Miller <davem@davemloft.net>
To: romain@orebokech.com
Cc: kuznet@ms2.inr.ac.ru, pekkas@netcore.fi, jmorris@namei.org,
yoshfuji@linux-ipv6.org, kaber@trash.net, netdev@vger.kernel.org
Subject: Re: [PATCH] ipv6: Silence privacy extensions initialization
Date: Tue, 18 Jan 2011 16:14:12 -0800 (PST) [thread overview]
Message-ID: <20110118.161412.179948581.davem@davemloft.net> (raw)
In-Reply-To: <87sjwr4djd.fsf@elegiac.orebokech.com>
From: Romain Francoise <romain@orebokech.com>
Date: Mon, 17 Jan 2011 18:59:18 +0100
> When a network namespace is created (via CLONE_NEWNET), the loopback
> interface is automatically added to the new namespace, triggering a
> printk in ipv6_add_dev() if CONFIG_IPV6_PRIVACY is set.
>
> This is problematic for applications which use CLONE_NEWNET as
> part of a sandbox, like Chromium's suid sandbox or recent versions of
> vsftpd. On a busy machine, it can lead to thousands of useless
> "lo: Disabled Privacy Extensions" messages appearing in dmesg.
>
> It's easy enough to check the status of privacy extensions via the
> use_tempaddr sysctl, so just removing the printk seems like the most
> sensible solution.
>
> Signed-off-by: Romain Francoise <romain@orebokech.com>
Yes, this message always bugged me too, applied thanks!
prev parent reply other threads:[~2011-01-19 0:13 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-17 17:59 [PATCH] ipv6: Silence privacy extensions initialization Romain Francoise
2011-01-19 0:14 ` David Miller [this message]
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