Change back the default topology to sr-ecmp.conf
Change back the default topology to sr-ecmp.conf

Change-Id: I086021cd74ceb1314cab7d549743699acf5f7ab6

opennetworkinglab/spring-open,opennetworkinglab/spring-open,opennetworkinglab/spring-open,opennetworkinglab/spring-open,opennetworkinglab/spring-open,opennetworkinglab/spring-open