tree 3bda7e75e31f5aea350af59571f2297d3ec80c4e
parent 16c7708249cc091c5f66791a2357c4616790859d
author YPZhang <yunpeng@onlab.us> 1466637319 -0700
committer YPZhang <yunpeng@onlab.us> 1467227960 -0700

Fix a small issus for Scale topo test.
	- Clean up mn when clean up onos

Change-Id: I6b417f01c3fe86159850ae40a859d34287150f0b