Test: Support for ONOS cluster mode startup with --onos-instances option to cord-test.py setup.
Changes to igmpTest to do a rover join test with support for parallel test runs across multiple containers.

Change-Id: If9c01df4c2ff5f2f6961eef9ff6fa865abb29b53
diff --git a/src/test/cli/onosclidriver.py b/src/test/cli/onosclidriver.py
index 2556892..cc3d8c0 100644
--- a/src/test/cli/onosclidriver.py
+++ b/src/test/cli/onosclidriver.py
@@ -49,6 +49,7 @@
         self.home = None
         self.handle = None
         self.controller = os.getenv('ONOS_CONTROLLER_IP') or 'localhost'
+        self.controller = self.controller.split(',')[0]
         super( CLI, self ).__init__()
         if connect == True:
             self.connect_cli()