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Date: Sun, 24 Jan 2016 17:46:11 +0100
From: Andrew Lunn <andrew@lunn.ch>
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Subject: Re: [B.A.T.M.A.N.] [PATCH 1/4] batman-adv: NETIF_F_NETNS_LOCAL
 feature to prevent netns moves
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To: Antonio Quartulli <a@unstable.cc>
Cc: The list for a Better Approach To Mobile Ad-hoc Networking <b.a.t.m.a.n@lists.open-mesh.org>

> > This raises another question (maybe addressed by another of your patch?): what
> > happens if an hard-interface currently enslaved in bat0 changes namespace?
> > Will this result in an UNREGISTER event like when the interface gets destroyed?
> > If not, I am not sure how the whole situation can still be consistent.
> 
> It seems that an UNREGISTER event is broadcasted when an hardif goes to another
> namespace. At net/dev/core.c:4915
> 
> Therefore batman-adv will do the right thing :)

Correct. An interface is effectively hotplugged from one namespace to
another.

	Andrew