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Exception in thread "OVSDBConnNotifSer-5" java.lang.NullPointerException
	at java.base/java.util.concurrent.ConcurrentHashMap.remove(ConcurrentHashMap.java:1551)
	at org.opendaylight.ovsdb.southbound.OvsdbConnectionManager.unregisterEntityForOwnership(OvsdbConnectionManager.java:612)
	at org.opendaylight.ovsdb.southbound.OvsdbConnectionManager.disconnected(OvsdbConnectionManager.java:194)
	at org.opendaylight.ovsdb.southbound.OvsdbConnectionManager.registerEntityForOwnership(OvsdbConnectionManager.java:582)
	at org.opendaylight.ovsdb.southbound.OvsdbConnectionManager.connected(OvsdbConnectionManager.java:129)
	at org.opendaylight.ovsdb.lib.impl.OvsdbConnectionService.lambda$notifyListenerForPassiveConnection$4(OvsdbConnectionService.java:632)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Exception in thread "OVSDBConnNotifSer-12" java.lang.NullPointerException
	at java.base/java.util.concurrent.ConcurrentHashMap.remove(ConcurrentHashMap.java:1551)
	at org.opendaylight.ovsdb.southbound.OvsdbConnectionManager.unregisterEntityForOwnership(OvsdbConnectionManager.java:612)
	at org.opendaylight.ovsdb.southbound.OvsdbConnectionManager.disconnected(OvsdbConnectionManager.java:194)
	at org.opendaylight.ovsdb.southbound.OvsdbConnectionManager.registerEntityForOwnership(OvsdbConnectionManager.java:582)
	at org.opendaylight.ovsdb.southbound.OvsdbConnectionManager.connected(OvsdbConnectionManager.java:129)
	at org.opendaylight.ovsdb.lib.impl.OvsdbConnectionService.lambda$notifyListenerForPassiveConnection$4(OvsdbConnectionService.java:632)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)
Exception in thread "OVSDBConnNotifSer-11" java.lang.NullPointerException
	at java.base/java.util.concurrent.ConcurrentHashMap.remove(ConcurrentHashMap.java:1551)
	at org.opendaylight.ovsdb.southbound.OvsdbConnectionManager.unregisterEntityForOwnership(OvsdbConnectionManager.java:612)
	at org.opendaylight.ovsdb.southbound.OvsdbConnectionManager.disconnected(OvsdbConnectionManager.java:194)
	at org.opendaylight.ovsdb.southbound.OvsdbConnectionManager.registerEntityForOwnership(OvsdbConnectionManager.java:582)
	at org.opendaylight.ovsdb.southbound.OvsdbConnectionManager.connected(OvsdbConnectionManager.java:129)
	at org.opendaylight.ovsdb.lib.impl.OvsdbConnectionService.lambda$notifyListenerForPassiveConnection$4(OvsdbConnectionService.java:632)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)