[main] ERROR org.opendaylight.openflowjava.protocol.impl.core.TcpHandler - Error while binding address localhost/127.0.0.1 and port 28001
java.net.BindException: Address already in use
	at java.base/sun.nio.ch.Net.bind0(Native Method)
	at java.base/sun.nio.ch.Net.bind(Net.java:555)
	at java.base/sun.nio.ch.ServerSocketChannelImpl.netBind(ServerSocketChannelImpl.java:337)
	at java.base/sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:294)
	at io.netty.channel.socket.nio.NioServerSocketChannel.doBind(NioServerSocketChannel.java:141)
	at io.netty.channel.AbstractChannel$AbstractUnsafe.bind(AbstractChannel.java:562)
	at io.netty.channel.DefaultChannelPipeline$HeadContext.bind(DefaultChannelPipeline.java:1334)
	at io.netty.channel.AbstractChannelHandlerContext.invokeBind(AbstractChannelHandlerContext.java:600)
	at io.netty.channel.AbstractChannelHandlerContext.bind(AbstractChannelHandlerContext.java:579)
	at io.netty.handler.logging.LoggingHandler.bind(LoggingHandler.java:230)
	at io.netty.channel.AbstractChannelHandlerContext.invokeBind(AbstractChannelHandlerContext.java:602)
	at io.netty.channel.AbstractChannelHandlerContext.bind(AbstractChannelHandlerContext.java:579)
	at io.netty.channel.DefaultChannelPipeline.bind(DefaultChannelPipeline.java:973)
	at io.netty.channel.AbstractChannel.bind(AbstractChannel.java:260)
	at io.netty.bootstrap.AbstractBootstrap$2.run(AbstractBootstrap.java:380)
	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:173)
	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:166)
	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
	at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:569)
	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
	at java.base/java.lang.Thread.run(Thread.java:833)
[Thread-6] INFO org.opendaylight.openflowjava.protocol.impl.core.TcpHandler - Switch listener started and ready to accept incoming tcp/tls connections on port: 28001
[Thread-7] INFO org.opendaylight.openflowjava.protocol.impl.core.TcpHandler - Switch listener started and ready to accept incoming tcp/tls connections on port: 43147
[Thread-8] INFO org.opendaylight.openflowjava.protocol.impl.core.TcpHandler - Switch listener started and ready to accept incoming tcp/tls connections on port: 40167
[Thread-9] INFO org.opendaylight.openflowjava.protocol.impl.core.TcpHandler - Switch listener started and ready to accept incoming tcp/tls connections on port: 28001
[Thread-10] INFO org.opendaylight.openflowjava.protocol.impl.core.TcpHandler - Switch listener started and ready to accept incoming tcp/tls connections on port: 44673
[main] ERROR org.opendaylight.openflowjava.protocol.impl.core.TcpHandler - Error while binding address localhost/127.0.0.1 and port 28001
io.netty.channel.unix.Errors$NativeIoException: bind(..) failed: Address already in use
[Thread-11] INFO org.opendaylight.openflowjava.protocol.impl.core.TcpHandler - Switch listener started and ready to accept incoming tcp/tls connections on port: 33009