neigh: add support for NDA_VLAN nl attribute

[thaller@redhat.com: modified patch to parse NDA_VLAN and diff vlan]

http://lists.infradead.org/pipermail/libnl/2015-March/001861.html

Signed-off-by: Jonas Johansson <jonasj76@gmail.com>
Signed-off-by: Thomas Haller <thaller@redhat.com>
5 files changed