diff --git a/src/main/java/org/onosproject/segmentrouting/SegmentRoutingManager.java b/src/main/java/org/onosproject/segmentrouting/SegmentRoutingManager.java
index 02cf0dc..4fc7b72 100644
--- a/src/main/java/org/onosproject/segmentrouting/SegmentRoutingManager.java
+++ b/src/main/java/org/onosproject/segmentrouting/SegmentRoutingManager.java
@@ -15,10 +15,20 @@
  */
 package org.onosproject.segmentrouting;
 
-import com.google.common.collect.HashMultimap;
-import com.google.common.collect.ImmutableMap;
-import com.google.common.collect.Maps;
-import com.google.common.collect.Multimap;
+import java.util.List;
+import java.util.Map;
+import java.util.Map.Entry;
+import java.util.Optional;
+import java.util.Set;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.ConcurrentLinkedQueue;
+import java.util.concurrent.Executors;
+import java.util.concurrent.ScheduledExecutorService;
+import java.util.concurrent.ScheduledFuture;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.atomic.AtomicBoolean;
+import java.util.stream.Collectors;
+
 import org.apache.felix.scr.annotations.Activate;
 import org.apache.felix.scr.annotations.Component;
 import org.apache.felix.scr.annotations.Deactivate;
@@ -36,14 +46,6 @@
 import org.onosproject.core.ApplicationId;
 import org.onosproject.core.CoreService;
 import org.onosproject.event.Event;
-import org.onosproject.net.config.basics.InterfaceConfig;
-import org.onosproject.incubator.net.config.basics.McastConfig;
-import org.onosproject.net.intf.Interface;
-import org.onosproject.net.intf.InterfaceService;
-import org.onosproject.routeservice.RouteEvent;
-import org.onosproject.routeservice.RouteListener;
-import org.onosproject.routeservice.RouteService;
-import org.onosproject.net.neighbour.NeighbourResolutionService;
 import org.onosproject.mastership.MastershipService;
 import org.onosproject.net.ConnectPoint;
 import org.onosproject.net.Device;
@@ -55,6 +57,8 @@
 import org.onosproject.net.config.NetworkConfigEvent;
 import org.onosproject.net.config.NetworkConfigListener;
 import org.onosproject.net.config.NetworkConfigRegistry;
+import org.onosproject.net.config.basics.InterfaceConfig;
+import org.onosproject.net.config.basics.McastConfig;
 import org.onosproject.net.config.basics.SubjectFactories;
 import org.onosproject.net.device.DeviceEvent;
 import org.onosproject.net.device.DeviceListener;
@@ -65,32 +69,38 @@
 import org.onosproject.net.host.HostEvent;
 import org.onosproject.net.host.HostListener;
 import org.onosproject.net.host.HostService;
+import org.onosproject.net.intf.Interface;
+import org.onosproject.net.intf.InterfaceService;
 import org.onosproject.net.link.LinkEvent;
 import org.onosproject.net.link.LinkListener;
 import org.onosproject.net.link.LinkService;
 import org.onosproject.net.mcast.McastEvent;
 import org.onosproject.net.mcast.McastListener;
 import org.onosproject.net.mcast.MulticastRouteService;
+import org.onosproject.net.neighbour.NeighbourResolutionService;
 import org.onosproject.net.packet.InboundPacket;
 import org.onosproject.net.packet.PacketContext;
 import org.onosproject.net.packet.PacketProcessor;
 import org.onosproject.net.packet.PacketService;
 import org.onosproject.net.topology.PathService;
 import org.onosproject.net.topology.TopologyService;
+import org.onosproject.routeservice.RouteEvent;
+import org.onosproject.routeservice.RouteListener;
+import org.onosproject.routeservice.RouteService;
 import org.onosproject.segmentrouting.config.DeviceConfigNotFoundException;
 import org.onosproject.segmentrouting.config.DeviceConfiguration;
 import org.onosproject.segmentrouting.config.PwaasConfig;
-import org.onosproject.segmentrouting.config.SegmentRoutingDeviceConfig;
 import org.onosproject.segmentrouting.config.SegmentRoutingAppConfig;
+import org.onosproject.segmentrouting.config.SegmentRoutingDeviceConfig;
 import org.onosproject.segmentrouting.config.XConnectConfig;
 import org.onosproject.segmentrouting.grouphandler.DefaultGroupHandler;
 import org.onosproject.segmentrouting.grouphandler.DestinationSet;
 import org.onosproject.segmentrouting.grouphandler.NextNeighbors;
+import org.onosproject.segmentrouting.pwaas.L2TunnelHandler;
 import org.onosproject.segmentrouting.storekey.DestinationSetNextObjectiveStoreKey;
 import org.onosproject.segmentrouting.storekey.PortNextObjectiveStoreKey;
 import org.onosproject.segmentrouting.storekey.VlanNextObjectiveStoreKey;
 import org.onosproject.segmentrouting.storekey.XConnectStoreKey;
-import org.onosproject.segmentrouting.pwaas.L2TunnelHandler;
 import org.onosproject.store.serializers.KryoNamespaces;
 import org.onosproject.store.service.EventuallyConsistentMap;
 import org.onosproject.store.service.EventuallyConsistentMapBuilder;
@@ -99,19 +109,10 @@
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import java.util.List;
-import java.util.Map;
-import java.util.Map.Entry;
-import java.util.Optional;
-import java.util.Set;
-import java.util.concurrent.ConcurrentHashMap;
-import java.util.concurrent.ConcurrentLinkedQueue;
-import java.util.concurrent.Executors;
-import java.util.concurrent.ScheduledExecutorService;
-import java.util.concurrent.ScheduledFuture;
-import java.util.concurrent.TimeUnit;
-import java.util.concurrent.atomic.AtomicBoolean;
-import java.util.stream.Collectors;
+import com.google.common.collect.HashMultimap;
+import com.google.common.collect.ImmutableMap;
+import com.google.common.collect.Maps;
+import com.google.common.collect.Multimap;
 
 import static com.google.common.base.Preconditions.checkState;
 import static org.onlab.packet.Ethernet.TYPE_ARP;