use xosproject/onos-fork until upstream ONOS can provide a way to load cordvtn
diff --git a/roles/onos-vm-install/files/Dockerfile.xos-onos b/roles/onos-vm-install/files/Dockerfile.xos-onos
index 267d820..48ee1c1 100644
--- a/roles/onos-vm-install/files/Dockerfile.xos-onos
+++ b/roles/onos-vm-install/files/Dockerfile.xos-onos
@@ -1,6 +1,6 @@
 # ONOS dockerfile with XOS additions
 
-FROM onosproject/onos
+FROM xosproject/onos-fork
 MAINTAINER Zack Williams <zdw@cs.arizona.edu>
 
 # Include SSL certs