diff --git a/apps/cordvtn/src/main/java/org/onosproject/cordvtn/impl/CordVtn.java b/apps/cordvtn/src/main/java/org/onosproject/cordvtn/impl/CordVtn.java
index 24f650d..61f37b5 100644
--- a/apps/cordvtn/src/main/java/org/onosproject/cordvtn/impl/CordVtn.java
+++ b/apps/cordvtn/src/main/java/org/onosproject/cordvtn/impl/CordVtn.java
@@ -51,7 +51,6 @@
 import org.onosproject.net.config.NetworkConfigService;
 import org.onosproject.net.config.basics.SubjectFactories;
 import org.onosproject.net.device.DeviceService;
-import org.onosproject.net.driver.DriverService;
 import org.onosproject.net.flow.FlowRuleService;
 import org.onosproject.net.group.GroupService;
 import org.onosproject.net.host.DefaultHostDescription;
@@ -67,7 +66,6 @@
 import org.onosproject.net.packet.PacketService;
 import org.onosproject.net.provider.AbstractProvider;
 import org.onosproject.net.provider.ProviderId;
-
 import org.openstack4j.api.OSClient;
 import org.openstack4j.api.exceptions.AuthenticationException;
 import org.openstack4j.model.identity.Access;
@@ -118,9 +116,6 @@
     protected HostService hostService;
 
     @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
-    protected DriverService driverService;
-
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
     protected FlowRuleService flowRuleService;
 
     @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
@@ -181,7 +176,6 @@
         appId = coreService.registerApplication("org.onosproject.cordvtn");
         ruleInstaller = new CordVtnRuleInstaller(appId, flowRuleService,
                                                  deviceService,
-                                                 driverService,
                                                  groupService,
                                                  configRegistry,
                                                  DEFAULT_TUNNEL);
diff --git a/apps/cordvtn/src/main/java/org/onosproject/cordvtn/impl/CordVtnNodeManager.java b/apps/cordvtn/src/main/java/org/onosproject/cordvtn/impl/CordVtnNodeManager.java
index bec23da..0aece81 100644
--- a/apps/cordvtn/src/main/java/org/onosproject/cordvtn/impl/CordVtnNodeManager.java
+++ b/apps/cordvtn/src/main/java/org/onosproject/cordvtn/impl/CordVtnNodeManager.java
@@ -59,8 +59,6 @@
 import org.onosproject.net.device.DeviceEvent;
 import org.onosproject.net.device.DeviceListener;
 import org.onosproject.net.device.DeviceService;
-import org.onosproject.net.driver.DriverHandler;
-import org.onosproject.net.driver.DriverService;
 import org.onosproject.net.flow.FlowRuleService;
 import org.onosproject.net.group.GroupService;
 import org.onosproject.net.host.HostService;
@@ -148,9 +146,6 @@
     protected ClusterService clusterService;
 
     @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
-    protected DriverService driverService;
-
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
     protected DeviceService deviceService;
 
     @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
@@ -241,7 +236,6 @@
 
         ruleInstaller = new CordVtnRuleInstaller(appId, flowRuleService,
                                                  deviceService,
-                                                 driverService,
                                                  groupService,
                                                  configRegistry,
                                                  DEFAULT_TUNNEL);
@@ -583,9 +577,13 @@
         String dpid = node.intBrId().toString().substring(DPID_BEGIN);
 
         try {
-            DriverHandler handler = driverService.createHandler(node.ovsdbId());
-            BridgeConfig bridgeConfig =  handler.behaviour(BridgeConfig.class);
-            bridgeConfig.addBridge(BridgeName.bridgeName(DEFAULT_BRIDGE), dpid, controllers);
+            Device device = deviceService.getDevice(node.ovsdbId());
+            if (device.is(BridgeConfig.class)) {
+                BridgeConfig bridgeConfig =  device.as(BridgeConfig.class);
+                bridgeConfig.addBridge(BridgeName.bridgeName(DEFAULT_BRIDGE), dpid, controllers);
+            } else {
+                log.warn("The bridging behaviour is not supported in device {}", device.id().toString());
+            }
         } catch (ItemNotFoundException e) {
             log.warn("Failed to create integration bridge on {}", node.hostname());
         }
@@ -611,9 +609,13 @@
                 optionBuilder.build());
 
         try {
-            DriverHandler handler = driverService.createHandler(node.ovsdbId());
-            TunnelConfig tunnelConfig =  handler.behaviour(TunnelConfig.class);
-            tunnelConfig.createTunnelInterface(BridgeName.bridgeName(DEFAULT_BRIDGE), description);
+            Device device = deviceService.getDevice(node.ovsdbId());
+            if (device.is(TunnelConfig.class)) {
+                TunnelConfig tunnelConfig =  device.as(TunnelConfig.class);
+                tunnelConfig.createTunnelInterface(BridgeName.bridgeName(DEFAULT_BRIDGE), description);
+            } else {
+                log.warn("The tunneling behaviour is not supported in device {}", device.id().toString());
+            }
         } catch (ItemNotFoundException e) {
             log.warn("Failed to create tunnel interface on {}", node.hostname());
         }
@@ -630,9 +632,13 @@
         }
 
         try {
-            DriverHandler handler = driverService.createHandler(node.ovsdbId());
-            BridgeConfig bridgeConfig =  handler.behaviour(BridgeConfig.class);
-            bridgeConfig.addPort(BridgeName.bridgeName(DEFAULT_BRIDGE), node.dpIntf());
+            Device device = deviceService.getDevice(node.ovsdbId());
+            if (device.is(BridgeConfig.class)) {
+                BridgeConfig bridgeConfig =  device.as(BridgeConfig.class);
+                bridgeConfig.addPort(BridgeName.bridgeName(DEFAULT_BRIDGE), node.dpIntf());
+            } else {
+                log.warn("The bridging behaviour is not supported in device {}", device.id().toString());
+            }
         } catch (ItemNotFoundException e) {
             log.warn("Failed to add {} on {}", node.dpIntf(), node.hostname());
         }
diff --git a/apps/cordvtn/src/main/java/org/onosproject/cordvtn/impl/CordVtnRuleInstaller.java b/apps/cordvtn/src/main/java/org/onosproject/cordvtn/impl/CordVtnRuleInstaller.java
index 49f3c8f..5914b71 100644
--- a/apps/cordvtn/src/main/java/org/onosproject/cordvtn/impl/CordVtnRuleInstaller.java
+++ b/apps/cordvtn/src/main/java/org/onosproject/cordvtn/impl/CordVtnRuleInstaller.java
@@ -35,6 +35,7 @@
 import org.onosproject.core.ApplicationId;
 import org.onosproject.core.DefaultGroupId;
 import org.onosproject.core.GroupId;
+import org.onosproject.net.Device;
 import org.onosproject.net.DeviceId;
 import org.onosproject.net.Host;
 import org.onosproject.net.Port;
@@ -42,11 +43,6 @@
 import org.onosproject.net.behaviour.ExtensionTreatmentResolver;
 import org.onosproject.net.config.NetworkConfigRegistry;
 import org.onosproject.net.device.DeviceService;
-import org.onosproject.net.driver.DefaultDriverData;
-import org.onosproject.net.driver.DefaultDriverHandler;
-import org.onosproject.net.driver.Driver;
-import org.onosproject.net.driver.DriverHandler;
-import org.onosproject.net.driver.DriverService;
 import org.onosproject.net.flow.DefaultFlowRule;
 import org.onosproject.net.flow.DefaultTrafficSelector;
 import org.onosproject.net.flow.DefaultTrafficTreatment;
@@ -127,7 +123,6 @@
     private final ApplicationId appId;
     private final FlowRuleService flowRuleService;
     private final DeviceService deviceService;
-    private final DriverService driverService;
     private final GroupService groupService;
     private final NetworkConfigRegistry configRegistry;
     private final String tunnelType;
@@ -138,7 +133,6 @@
      * @param appId application id
      * @param flowRuleService flow rule service
      * @param deviceService device service
-     * @param driverService driver service
      * @param groupService group service
      * @param configRegistry config registry
      * @param tunnelType tunnel type
@@ -146,14 +140,12 @@
     public CordVtnRuleInstaller(ApplicationId appId,
                                 FlowRuleService flowRuleService,
                                 DeviceService deviceService,
-                                DriverService driverService,
                                 GroupService groupService,
                                 NetworkConfigRegistry configRegistry,
                                 String tunnelType) {
         this.appId = appId;
         this.flowRuleService = flowRuleService;
         this.deviceService = deviceService;
-        this.driverService = driverService;
         this.groupService = groupService;
         this.configRegistry = configRegistry;
         this.tunnelType = checkNotNull(tunnelType);
@@ -1504,16 +1496,20 @@
      */
     private ExtensionTreatment getTunnelDst(DeviceId deviceId, Ip4Address remoteIp) {
         try {
-            Driver driver = driverService.getDriver(deviceId);
-            DefaultDriverData driverData = new DefaultDriverData(driver, deviceId);
-            DriverHandler handler = new DefaultDriverHandler(driverData);
-            ExtensionTreatmentResolver resolver = handler.behaviour(ExtensionTreatmentResolver.class);
+            Device device = deviceService.getDevice(deviceId);
 
-            ExtensionTreatment treatment =
-                    resolver.getExtensionInstruction(NICIRA_SET_TUNNEL_DST.type());
-            treatment.setPropertyValue("tunnelDst", remoteIp);
+            if (device.is(ExtensionTreatmentResolver.class)) {
+                ExtensionTreatmentResolver resolver = device.as(ExtensionTreatmentResolver.class);
+                ExtensionTreatment treatment =
+                        resolver.getExtensionInstruction(NICIRA_SET_TUNNEL_DST.type());
+                treatment.setPropertyValue("tunnelDst", remoteIp);
 
-            return treatment;
+                return treatment;
+            } else {
+                log.warn("The extension treatment resolving behaviour is not supported in device {}",
+                        device.id().toString());
+                return null;
+            }
         } catch (ItemNotFoundException | UnsupportedOperationException |
                 ExtensionPropertyException e) {
             log.error("Failed to get extension instruction {}", deviceId);