ip-route man: add usage and description for lwtunnel encap attributes

This patch updates ip-route man page with lwtunnel encap
usage and description, covering MPLS and IP encapsulation.

Signed-off-by: Roopa Prabhu <roopa@cumulusnetworks.com>
Signed-off-by: Thomas Graf <tgraf@suug.ch>
Acked-by: Jiri Benc <jbenc@redhat.com>
1 file changed