tree e8e0be8d20761c11d726b423095d4d6074a636fe
parent 5fdffe0e3aabd9e24509d2f9e65be08e838f103b
author Ray Milkey <ray@opennetworking.org> 1512172701 -0800
committer Ray Milkey <ray@opennetworking.org> 1513818935 -0800

Fix NPE in LLDP link provider if there is no cluster metadata service available

If the cluster metadata service was previously shut down, the buildSrcMac()
method would throw an NPE. Now it returns the default mac if there is no
cluster metadata service available.'

Change-Id: Ibdb9b0b059a532af651814b8b954355ce644e4da