pool - datastax python driver output

2014-03-11 11:12:45,428 [INFO] cassandra.cluster: New Cassandra host 127.0.0.3 added
2014-03-11 11:12:45,440 [INFO] cassandra.cluster: New Cassandra host 127.0.0.2 added
2014-03-11 11:12:45,748 [INFO] root: dropping existing keyspace...
2014-03-11 11:12:47,348 [INFO] root: creating keyspace...
2014-03-11 11:12:48,417 [INFO] root: setting keyspace...
2014-03-11 11:12:48,422 [INFO] root: creating table...
2014-03-11 11:12:50,103 [INFO] root: Insering row 0
2014-03-11 11:12:54,919 [INFO] root: Insering row 1000
2014-03-11 11:12:57,423 [INFO] root: Insering row 2000
2014-03-11 11:12:59,734 [INFO] root: Insering row 3000
2014-03-11 11:13:04,695 [INFO] root: Insering row 4000
2014-03-11 11:13:08,116 [INFO] root: Insering row 5000
2014-03-11 11:13:11,642 [INFO] root: Insering row 6000
2014-03-11 11:13:14,324 [INFO] root: Insering row 7000
2014-03-11 11:13:17,287 [INFO] root: Insering row 8000
2014-03-11 11:13:21,273 [INFO] root: Insering row 9000
0
a
2014-03-11 11:13:24,347 [INFO] root: Starting process 0
b
2014-03-11 11:13:29,367 [WARNING] cassandra.cluster: [control connection] Error connecting to 127.0.0.1:
Traceback (most recent call last):
  File "/usr/local/lib/python2.7/site-packages/cassandra/cluster.py", line 1381, in _reconnect_internal
    return self._try_connect(host)
  File "/usr/local/lib/python2.7/site-packages/cassandra/cluster.py", line 1398, in _try_connect
    connection = self._cluster.connection_factory(host.address)
  File "/usr/local/lib/python2.7/site-packages/cassandra/cluster.py", line 429, in connection_factory
    return self.connection_class.factory(address, *args, **kwargs)
  File "/usr/local/lib/python2.7/site-packages/cassandra/io/libevreactor.py", line 117, in factory
    raise OperationTimedOut("Timed out creating new connection")
OperationTimedOut: errors=Timed out creating new connection, last_host=None
2014-03-11 11:13:29,407 [ERROR] cassandra.cluster: Control connection failed to connect, shutting down Cluster:
Traceback (most recent call last):
  File "/usr/local/lib/python2.7/site-packages/cassandra/cluster.py", line 471, in connect
    self.control_connection.connect()
  File "/usr/local/lib/python2.7/site-packages/cassandra/cluster.py", line 1355, in connect
    self._set_new_connection(self._reconnect_internal())
  File "/usr/local/lib/python2.7/site-packages/cassandra/cluster.py", line 1390, in _reconnect_internal
    raise NoHostAvailable("Unable to connect to any servers", errors)
NoHostAvailable: ('Unable to connect to any servers', {'127.0.0.1': OperationTimedOut('errors=Timed out creating new connection, last_host=None',)})
Traceback (most recent call last):
  File "/Users/alain/Teads/projects/admin-script-crons/scripts/cassandra/temp.py", line 85, in <module>
    main()
  File "/Users/alain/Teads/projects/admin-script-crons/scripts/cassandra/temp.py", line 78, in main
    pool.apply_async(do_stuff, args=(i,)).get()
  File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/multiprocessing/pool.py", line 554, in get
    raise self._value
cassandra.cluster.NoHostAvailable: ('Unable to connect to any servers', {'127.0.0.1': OperationTimedOut('errors=errors=Timed out creating new connection, last_host=None, last_host=None',)})