When update qos for interface, Throw an exception:

java.lang.NullPointerException: nulljava.lang.NullPointerException: null at org.opendaylight.netvirt.qosservice.QosTerminationPointListener.isBandwidthRuleCleared(QosTerminationPointListener.java:94) ~[?:?] at org.opendaylight.netvirt.qosservice.QosTerminationPointListener.update(QosTerminationPointListener.java:122) ~[?:?] at org.opendaylight.netvirt.qosservice.QosTerminationPointListener.update(QosTerminationPointListener.java:40) ~[?:?] at org.opendaylight.genius.datastoreutils.AsyncClusteredDataTreeChangeListenerBase$DataTreeChangeHandler.run(AsyncClusteredDataTreeChangeListenerBase.java:165) ~[267:org.opendaylight.genius.mdsalutil-api:0.7.0.SNAPSHOT] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) ~[?:?] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) ~[?:?] at java.lang.Thread.run(Thread.java:748) [?:?]

The reason is : can not compare null with basic data type.

Test with Neon