From mboxrd@z Thu Jan  1 00:00:00 1970
From: Cong Wang <xiyou.wangcong@gmail.com>
Subject: Re: [PATCH net] vxlan: fix crash on module removal
Date: Thu, 6 Jun 2013 01:11:11 +0000 (UTC)
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On Wed, 05 Jun 2013 at 15:37 GMT, Stephen Hemminger <stephen@networkplumber.org> wrote:
> If vxlan is removed with active vxlan's it would crash because
> rtnl_link_unregister (which calls vxlan_dellink), was invoked
> before unregister_pernet_device (which calls vxlan_stop).
>

Two points:

1. There are still many others drivers calling them in such order...
2. The removal should be in a reverse order of creation, at least in
theory.

I mean this *might* indicate something wrong.