ClassCastException on openstackSwitching when new switch added

2016-02-02 19:12:32,168 | INFO  | ew I/O worker #3 | DeviceManager                    | 115 - org.onosproject.onos-core-net - 1.5.0.SNAPSHOT | Device of:0000000000000001 connected
2016-02-02 19:12:32,168 | INFO  | ew I/O worker #3 | PortStatsCollector               | 169 - org.onosproject.onos-of-provider-device - 1.5.0.SNAPSHOT | Starting Port Stats collection thread for 00:00:00:00:00:00:00:01
2016-02-02 19:12:32,168 | INFO  | ew I/O worker #3 | MeterStatsCollector              | 173 - org.onosproject.onos-of-provider-meter - 1.5.0.SNAPSHOT | Starting Meter Stats collection thread for 00:00:00:00:00:00:00:01
2016-02-02 19:12:32,175 | INFO  | ew I/O worker #3 | NewAdaptiveFlowStatsCollector    | 171 - org.onosproject.onos-of-provider-flow - 1.5.0.SNAPSHOT | Started
2016-02-02 19:12:32,175 | INFO  | ew I/O worker #3 | OFChannelHandler                 | 168 - org.onosproject.onos-of-ctl - 1.5.0.SNAPSHOT | Processing 0 pending port status messages for 00:00:00:00:00:00:00:01
2016-02-02 19:12:32,176 | INFO  | ew I/O worker #3 | ntrollerImpl$OpenFlowSwitchAgent | 168 - org.onosproject.onos-of-ctl - 1.5.0.SNAPSHOT | Transitioned switch 00:00:00:00:00:00:00:01 to EQUAL
2016-02-02 19:12:32,234 | ERROR | ing-device-event | Tools                            | 71 - org.onosproject.onlab-misc - 1.5.0.SNAPSHOT | Uncaught exception on onos-openstackswitching-device-event
java.lang.ClassCastException: org.onosproject.net.DefaultDevice cannot be cast to org.onosproject.net.Port
	at org.onosproject.openstackswitching.impl.OpenstackSwitchingManager$InternalEventHandler.run(OpenstackSwitchingManager.java:465)[187:org.onosproject.onos-app-openstackswitching:1.5.0.SNAPSHOT]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)[:1.8.0_60]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)[:1.8.0_60]
	at java.lang.Thread.run(Thread.java:745)[:1.8.0_60]