SR fixes

- Update trellis-* app versions
- Fix xconnect configuration
- Avoid reserved MPLS labels

Change-Id: Ie7755f6afc4fcb3480e7f218f7e2e76f70c57531
diff --git a/TestON/tests/USECASE/SegmentRouting/SROnosFailure/dependencies/SROnosFailureFuncs.py b/TestON/tests/USECASE/SegmentRouting/SROnosFailure/dependencies/SROnosFailureFuncs.py
index 624745d..679baf0 100644
--- a/TestON/tests/USECASE/SegmentRouting/SROnosFailure/dependencies/SROnosFailureFuncs.py
+++ b/TestON/tests/USECASE/SegmentRouting/SROnosFailure/dependencies/SROnosFailureFuncs.py
@@ -55,6 +55,8 @@
                 # Run the test with physical devices
                 # TODO: connect TestON to the physical network
                 pass
+            # xconnects need to be loaded after topology
+            run.loadXconnects( main )
             # pre-configured routing and bridging test
             run.checkFlows( main, minFlowCount=minFlow )
             run.pingAll( main, 'CASE{}'.format( caseNum ) )