Test: Cleanup the test container interfaces with --olt option.
Also make the olt configuration similar to the podd (atleast for single node) by
configuring the test container ports to reside on br-int ovs bridge.

Change-Id: I6afd20d2e58532b252b9dc614d0d16f27b590578
diff --git a/src/test/setup/olt_config.json b/src/test/setup/olt_config.json
index 88380e6..db00a33 100644
--- a/src/test/setup/olt_config.json
+++ b/src/test/setup/olt_config.json
@@ -1,2 +1,2 @@
-{ "olt" : false , "port_map" : { "ports" : [ "veth0", "veth2" ], "tx" : "veth2", "rx" : "veth0", "host" : "eth0", "start_vlan" : 1000 }, "uplink" : 2, "vlan" : 0 }
+{ "olt" : false , "port_map" : { "ports" : [ "veth0", "veth2", "veth4", "veth6", "veth8", "veth10" ], "tx" : "veth2", "rx" : "veth0", "host" : "br-int", "start_vlan" : 1000 }, "uplink" : 2, "vlan" : 0 }