Allow specification of per route IP tunnel instructions also for IPv6.
This complements commit 3093fbe7 ("route: Per route IP tunnel metadata
via lightweight tunnel").
Signed-off-by: NJiri Benc <jbenc@redhat.com>
CC: YOSHIFUJI Hideaki <hideaki.yoshifuji@miraclelinux.com>
Acked-by: NThomas Graf <tgraf@suug.ch>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>