Add the logic of generating ovs bridges on bootstrap kubevirt node

Change-Id: Id691738ee31b509a143143103152111dfb47a606
diff --git a/apps/kubevirt-node/api/src/main/java/org/onosproject/kubevirtnode/api/KubevirtNodeService.java b/apps/kubevirt-node/api/src/main/java/org/onosproject/kubevirtnode/api/KubevirtNodeService.java
index e032ba3..480969d 100644
--- a/apps/kubevirt-node/api/src/main/java/org/onosproject/kubevirtnode/api/KubevirtNodeService.java
+++ b/apps/kubevirt-node/api/src/main/java/org/onosproject/kubevirtnode/api/KubevirtNodeService.java
@@ -82,4 +82,13 @@
      * @return kubevirt node
      */
     KubevirtNode node(IpAddress mgmtIp);
+
+    /**
+     * Returns the node with the specified tunnel device ID.
+     * The device ID tunnel bridge.
+     *
+     * @param deviceId device id
+     * @return kubevirt node
+     */
+    KubevirtNode nodeByTunBridge(DeviceId deviceId);
 }