Adding an STC scenario for fabric.p4

Change-Id: I3457ab67c2c97eab73623500ba3f6a75b9ed33a3
diff --git a/tools/dev/p4vm/user-bootstrap.sh b/tools/dev/p4vm/user-bootstrap.sh
index e068727..e1696a5 100755
--- a/tools/dev/p4vm/user-bootstrap.sh
+++ b/tools/dev/p4vm/user-bootstrap.sh
@@ -21,3 +21,9 @@
 # Mininet
 git clone git://github.com/mininet/mininet ~/mininet
 sudo ~/mininet/util/install.sh -nv
+
+# Trellis routing repo
+git clone https://github.com/opennetworkinglab/routing.git
+
+# Set Python path for bmv2 in fabric.p4
+echo 'export PYTHONPATH=$PYTHONPATH:~/onos/tools/dev/mininet/bmv2.py' >> ~/.bashrc