shuffle needs some love

WARN 10:34:23,046 Token -6470120033327209844 changing ownership from /10.0.0.3
to /10.0.0.1
INFO 10:34:23,046 Flushing memtables for [CFS(Keyspace='system_auth', ColumnFam
ily='users')]...
INFO 10:34:23,046 RELOCATING: fetching new ranges and streaming old ranges
INFO 10:34:23,046 Connecting to /10.0.0.3 for streaming
INFO 10:34:23,046 Connecting to /10.0.0.3 for streaming
ERROR 10:34:31,750 Streaming error occurred
java.lang.NullPointerException
at org.apache.cassandra.streaming.ConnectionHandler.sendMessage(Connecti
onHandler.java:175)
at org.apache.cassandra.streaming.StreamSession.receive(StreamSession.ja
va:474)
at org.apache.cassandra.streaming.StreamSession.messageReceived(StreamSe
ssion.java:361)
at org.apache.cassandra.streaming.ConnectionHandler$IncomingMessageHandl
er.run(ConnectionHandler.java:294)
at java.lang.Thread.run(Thread.java:724)