Switch to common oss overlay network

Change-Id: I60dde93b161d2be6ef0523c41254f0a761261b4c
diff --git a/docker/swarm/network/oss_backend.yml b/docker/swarm/network/oss_backend.yml
new file mode 100644
index 0000000..daa628e
--- /dev/null
+++ b/docker/swarm/network/oss_backend.yml
@@ -0,0 +1,10 @@
+parameters:
+  _param:
+    docker_oss_network_subnet: 10.50.0.0/24
+  docker:
+    client:
+      network:
+        oss_backend:
+          subnet: ${_param:docker_oss_network_subnet}
+          driver: overlay
+          attachable: true
\ No newline at end of file