svn commit: r201811 - head/sys/netinet

[Roman Bogorodskiy]

  Qing Li wrote:

> Author: qingli
> Date: Fri Jan  8 17:49:24 2010
> New Revision: 201811
> URL: http://svn.freebsd.org/changeset/base/201811
> 
> Log:
>   Ensure an address is removed from the interface address
>   list when the installation of that address fails.
>   
>   PR:		139559

After this change it's indeed impossible to create a tunnel with the
same peer address - file exists error raises and new tun device appears
without any address assigned. However, after several attempts to do it I
have almost the same behavior as described in the PR. However, I cannot
provide an easy way to reproduce it after this commit.

Roman Bogorodskiy
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