netdev - set route

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Message-ID: <4F7A8EF9.80006@t-online.de>
Date:	Tue, 03 Apr 2012 07:47:37 +0200
From:	Jean-Jacques Sarton <jj.sarton@...nline.de>
To:	netdev@...r.kernel.org
Subject: set route

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Hello,

I think there is a little bug within the portion of code
for setting the network routing.
If I issue the following

ip li se dev x down; ip li se dev x up;\
ip ad ad 2001:db8:1:1::2/64 dev X;\
ip ro ad 2001:db8:1:1::/64 via 2001:db8:1:1::2 dev X

All id OK. If I insert a sleep 2 between set addr
and set route, I will get the error message:
RTNETLINK answers: No route to host

This seem, for me to be a BUG. The address is known
and therefore there is a route.
If the addresse for the gateway is outside, this
may make sense, but for a static route I expect
that the route is set regardless of the knowledge
of the addresse.

Do you have an explanation for the problem and if
this is a bug, will it be fixed ?

Regards,

Jean-Jacques Sarton
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