Implement changes to cord-tester framework for vrouter configuration.
And add vrouter tests to verify routes.
diff --git a/src/test/cli/clidriver.py b/src/test/cli/clidriver.py
index ce10a2c..ccb27a0 100644
--- a/src/test/cli/clidriver.py
+++ b/src/test/cli/clidriver.py
@@ -52,7 +52,7 @@
         if self.port:
             ssh_hosts_file = os.path.join(os.getenv('HOME'), '.ssh', 'known_hosts')
             cmd_host_remove = 'ssh-keygen -f "%s" -R [%s]:8101' %(ssh_hosts_file, self.ip_address)
-            #os.system(cmd_host_remove)
+            os.system(cmd_host_remove)
             #main.log.info('SSH host remove cmd: %s' %cmd_host_remove)
             main.log.info('Spawning pexpect for ip %s' %self.ip_address)
             self.handle = pexpect.spawn(