On Monday, June 13, 2016 07:41:29 Sven Eckelmann wrote:
> The description given in the commit is misleading and is at least not true
> for sysfs. The sysfs file structure should instead be deleted immediately on
> rtnl notifications and be underlying objects should be removed later when
> all kobject_put were done for the object.
> 
> This reverts commit 6b0485c758be ("batman-adv: Fix hardif remove/add race")

Applied in revision b58db7b.

@Andrew: Sven's patchset aims to fix the problem you encountered in a better 
way while also addressing other issues. Can you give it a try in your 
environment to confirm it fixes your problem too ?

Thanks,
Marek