netdev - unregister_netdevice warnings when deleting netns

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Date:	Mon, 28 Sep 2015 13:01:15 +0530
From:	Anand Gurram <anandarao.gurram@...il.com>
To:	NETDEV <netdev@...r.kernel.org>
Subject: unregister_netdevice warnings when deleting netns

Hi,

I am currently using kernel version 3.16.7 on a linux switch.
While creating and destroying network namespaces I am observing below logs
on the console
"unregister_netdevice: waiting for lo to become free. Usage count = 1"

Can you please suggest and provide instructions on how to debug this issue.
If any fix already available can you please point me to the link.

Best Regards,
Anand
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