From f8c1b7ce00254a5bb75d5b5e5ef1601326a0e08e Mon Sep 17 00:00:00 2001
From: stephen hemminger <stephen@networkplumber.org>
Date: Fri, 6 Jun 2014 08:10:00 -0700
Subject: [PATCH] gre: allow changing mac address when device is up

There is no need to require forcing device down on a Ethernet GRE (gretap)
tunnel to change the MAC address.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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