Merge branch 'ipvlan'

Konstantin Khlebnikov says:

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ipvlan: cleanups and fixes

v1: http://comments.gmane.org/gmane.linux.network/363346
v2: http://comments.gmane.org/gmane.linux.network/369086



v3 has reduced set of patches from "ipvlan: fix ipv6 autoconfiguration".
Here just cleanups and patch which ignores ipv6 notifications from RA.
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Signed-off-by: David S. Miller <davem@davemloft.net>