From: David Ahern <dsah...@gmail.com>
Date: Wed, 5 Jul 2017 14:41:46 -0600
> Lennert reported a failure to add different mpls encaps in a multipath
> route:
>
> $ ip -6 route add 1234::/16 \
> nexthop encap mpls 10 via fe80::1 dev ens3 \
> nexthop encap mpls 20 via fe80::1 dev ens3
> RTNETLINK answers: File exists
>
> The problem is that the duplicate nexthop detection does not compare
> lwtunnel configuration. Add it.
>
> Fixes: 19e42e451506("ipv6: support for fib route lwtunnel encap attributes")
> Signed-off-by: David Ahern <dsah...@gmail.com>
Applied and queued up for -stable, thanks.
