Merge branch 'icmp6-drop-reason'

Eric Dumazet says:

====================
ipv6: icmp6: better drop reason support

This series aims to have more precise drop reason reports for icmp6.

This should reduce false positives on most usual cases.

This can be extended as needed later.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>