18:34:23.653 [Timer-2] ERROR io.netty.util.concurrent.DefaultPromise.rejectedExecution -- Failed to submit a listener notification task. Event loop shut down? java.util.concurrent.RejectedExecutionException: event executor terminated at io.netty.util.concurrent.SingleThreadEventExecutor.reject(SingleThreadEventExecutor.java:1005) at io.netty.util.concurrent.SingleThreadEventExecutor.offerTask(SingleThreadEventExecutor.java:388) at io.netty.util.concurrent.SingleThreadEventExecutor.addTask(SingleThreadEventExecutor.java:381) at io.netty.util.concurrent.SingleThreadEventExecutor.execute(SingleThreadEventExecutor.java:907) at io.netty.util.concurrent.SingleThreadEventExecutor.execute0(SingleThreadEventExecutor.java:873) at io.netty.util.concurrent.SingleThreadEventExecutor.execute(SingleThreadEventExecutor.java:863) at io.netty.util.concurrent.DefaultPromise.safeExecute(DefaultPromise.java:878) at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:513) at io.netty.util.concurrent.DefaultPromise.addListener(DefaultPromise.java:198) at io.netty.channel.DefaultChannelPromise.addListener(DefaultChannelPromise.java:95) at io.netty.channel.DefaultChannelPromise.addListener(DefaultChannelPromise.java:30) at org.opendaylight.protocol.bmp.mock.BmpMockDispatcher.createClient(BmpMockDispatcher.java:59) at org.opendaylight.protocol.bmp.mock.BmpMockDispatcher$BootstrapListener$1.run(BmpMockDispatcher.java:115) at java.base/java.util.TimerThread.mainLoop(Timer.java:566) at java.base/java.util.TimerThread.run(Timer.java:516)