04:13:05,785 INFO  [TestsuiteListener] (main) Running org.infinispan.server.test.client.hotrod.HotRodRemoteCacheIT#testCustomEventsDynamic
04:13:06,005 WARN  [ClientListenerNotifier] (HotRod-client-async-pool-2) ISPN004039: Unable to complete reading event from server null
java.nio.channels.CancelledKeyException
        at sun.nio.ch.SelectionKeyImpl.ensureValid(SelectionKeyImpl.java:73)
        at sun.nio.ch.SelectionKeyImpl.readyOps(SelectionKeyImpl.java:87)
        at java.nio.channels.SelectionKey.isReadable(SelectionKey.java:289)
        at sun.nio.ch.SocketAdaptor$SocketInputStream.read(SocketAdaptor.java:222)
        at sun.nio.ch.ChannelInputStream.read(ChannelInputStream.java:103)
        at java.io.BufferedInputStream.fill(BufferedInputStream.java:235)
        at java.io.BufferedInputStream.read(BufferedInputStream.java:254)
        at org.infinispan.client.hotrod.impl.transport.tcp.TcpTransport.readByte(TcpTransport.java:179)
        at org.infinispan.client.hotrod.impl.protocol.Codec20.readMagic(Codec20.java:245)
        at org.infinispan.client.hotrod.impl.protocol.Codec20.readEvent(Codec20.java:101)
        at org.infinispan.client.hotrod.event.ClientListenerNotifier$EventDispatcher.run(ClientListenerNotifier.java:229)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
        at java.util.concurrent.FutureTask.run(FutureTask.java:262)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:745)
04:13:06,011 INFO  [TestsuiteListener] (main) Running org.infinispan.server.test.client.hotrod.HotRodRemoteCacheIT#testRemoveWithVersionAsync
04:13:06,030 WARN  [ClientListenerNotifier] (HotRod-client-async-pool-2) ISPN004039: Unable to complete reading event from server null
java.nio.channels.IllegalBlockingModeException
        at sun.nio.ch.SocketAdaptor$SocketInputStream.read(SocketAdaptor.java:201)
        at sun.nio.ch.ChannelInputStream.read(ChannelInputStream.java:103)
        at java.io.BufferedInputStream.fill(BufferedInputStream.java:235)
        at java.io.BufferedInputStream.read(BufferedInputStream.java:254)
        at org.infinispan.client.hotrod.impl.transport.tcp.TcpTransport.readByte(TcpTransport.java:179)
        at org.infinispan.client.hotrod.impl.protocol.Codec20.readMagic(Codec20.java:245)
        at org.infinispan.client.hotrod.impl.protocol.Codec20.readEvent(Codec20.java:101)
        at org.infinispan.client.hotrod.event.ClientListenerNotifier$EventDispatcher.run(ClientListenerNotifier.java:229)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
        at java.util.concurrent.FutureTask.run(FutureTask.java:262)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:745)

Also fails in HotRodCustomMarshallerEventIT: 
05:39:05,133 INFO  [TestsuiteListener] (main) Running org.infinispan.server.test.client.hotrod.HotRodCustomMarshallerEventIT#testEventReceiveBasic
05:39:05,267 INFO  [RemoteCacheManager] (main) ISPN004021: Infinispan version: 6.2.0.ER2-redhat-1
05:39:05,313 WARN  [ClientListenerNotifier] (HotRod-client-async-pool-0) ISPN004039: Unable to complete reading event from server null
java.nio.channels.CancelledKeyException
        at sun.nio.ch.SelectionKeyImpl.ensureValid(SelectionKeyImpl.java:73)
        at sun.nio.ch.SelectionKeyImpl.readyOps(SelectionKeyImpl.java:87)
        at java.nio.channels.SelectionKey.isReadable(SelectionKey.java:289)
        at sun.nio.ch.SocketAdaptor$SocketInputStream.read(SocketAdaptor.java:222)
        at sun.nio.ch.ChannelInputStream.read(ChannelInputStream.java:103)
        at java.io.BufferedInputStream.fill(BufferedInputStream.java:235)
        at java.io.BufferedInputStream.read(BufferedInputStream.java:254)
        at org.infinispan.client.hotrod.impl.transport.tcp.TcpTransport.readByte(TcpTransport.java:179)
        at org.infinispan.client.hotrod.impl.protocol.Codec20.readMagic(Codec20.java:245)
        at org.infinispan.client.hotrod.impl.protocol.Codec20.readEvent(Codec20.java:101)
        at org.infinispan.client.hotrod.event.ClientListenerNotifier$EventDispatcher.run(ClientListenerNotifier.java:229)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
        at java.util.concurrent.FutureTask.run(FutureTask.java:262)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:745)
05:39:05,315 WARN  [ClientListenerNotifier] (HotRod-client-async-pool-0) ISPN004039: Unable to complete reading event from server null
java.nio.channels.IllegalBlockingModeException
        at sun.nio.ch.SocketAdaptor$SocketInputStream.read(SocketAdaptor.java:201)
        at sun.nio.ch.ChannelInputStream.read(ChannelInputStream.java:103)
        at java.io.BufferedInputStream.fill(BufferedInputStream.java:235)
        at java.io.BufferedInputStream.read(BufferedInputStream.java:254)
        at org.infinispan.client.hotrod.impl.transport.tcp.TcpTransport.readByte(TcpTransport.java:179)
        at org.infinispan.client.hotrod.impl.protocol.Codec20.readMagic(Codec20.java:245)
        at org.infinispan.client.hotrod.impl.protocol.Codec20.readEvent(Codec20.java:101)
        at org.infinispan.client.hotrod.event.ClientListenerNotifier$EventDispatcher.run(ClientListenerNotifier.java:229)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
        at java.util.concurrent.FutureTask.run(FutureTask.java:262)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:745)