From: Pavel Emelyanov <xemul@openvz.org>
Date: Tue, 26 Feb 2008 10:47:44 +0300

> That's because you skipped the first patch titled "Don't create 
> tunnels with '%' in name.", which adds the dev_alloc_name() call 
> and tosses the error paths a bit. Without this first patch, these 
> four drivers become broken :( When user doesn't specify the name, 
> the device's name will be e.g. "tunl%d", but not "tunl0" like 
> he expects.

Please respin and post the first patch, I had no idea there was a
dependency.