Redis is now ok, in nova have:
2015-02-05 17:25:37.348 TRACE nova Traceback (most recent call last):
2015-02-05 17:25:37.348 TRACE nova   File "/usr/local/bin/nova-network", line 9, in <module>
2015-02-05 17:25:37.348 TRACE nova     load_entry_point('nova==2015.1.dev837', 'console_scripts', 'nova-network')()
2015-02-05 17:25:37.348 TRACE nova   File "/opt/stack/nova/nova/cmd/network.py", line 72, in main
2015-02-05 17:25:37.348 TRACE nova     db_allowed=CONF.conductor.use_local)
2015-02-05 17:25:37.348 TRACE nova   File "/opt/stack/nova/nova/service.py", line 275, in create
2015-02-05 17:25:37.348 TRACE nova     db_allowed=db_allowed)
2015-02-05 17:25:37.348 TRACE nova   File "/opt/stack/nova/nova/service.py", line 157, in __init__
2015-02-05 17:25:37.348 TRACE nova     self.conductor_api.wait_until_ready(context.get_admin_context())
2015-02-05 17:25:37.348 TRACE nova   File "/opt/stack/nova/nova/conductor/api.py", line 315, in wait_until_ready
2015-02-05 17:25:37.348 TRACE nova     timeout=timeout)
2015-02-05 17:25:37.348 TRACE nova   File "/opt/stack/nova/nova/baserpc.py", line 62, in ping
2015-02-05 17:25:37.348 TRACE nova     return cctxt.call(context, 'ping', arg=arg_p)
2015-02-05 17:25:37.348 TRACE nova   File "/usr/local/lib/python2.7/dist-packages/oslo_messaging/rpc/client.py", line 156, in call
2015-02-05 17:25:37.348 TRACE nova     retry=self.retry)
2015-02-05 17:25:37.348 TRACE nova   File "/usr/local/lib/python2.7/dist-packages/oslo_messaging/transport.py", line 90, in _send
2015-02-05 17:25:37.348 TRACE nova     timeout=timeout, retry=retry)
2015-02-05 17:25:37.348 TRACE nova   File "/usr/local/lib/python2.7/dist-packages/oslo_messaging/_drivers/impl_zmq.py", line 926, in send
2015-02-05 17:25:37.348 TRACE nova     return self._send(target, ctxt, message, wait_for_reply, timeout)
2015-02-05 17:25:37.348 TRACE nova   File "/usr/local/lib/python2.7/dist-packages/oslo_messaging/_drivers/impl_zmq.py", line 917, in _send
2015-02-05 17:25:37.348 TRACE nova     allowed_remote_exmods=self._allowed_remote_exmods)
2015-02-05 17:25:37.348 TRACE nova   File "/usr/local/lib/python2.7/dist-packages/oslo_messaging/_drivers/impl_zmq.py", line 794, in _multi_send
2015-02-05 17:25:37.348 TRACE nova     envelope, allowed_remote_exmods)
2015-02-05 17:25:37.348 TRACE nova   File "/usr/local/lib/python2.7/dist-packages/oslo_messaging/_drivers/impl_zmq.py", line 726, in _call
2015-02-05 17:25:37.348 TRACE nova     msg = msg_waiter.recv()
2015-02-05 17:25:37.348 TRACE nova   File "/usr/local/lib/python2.7/dist-packages/oslo_messaging/_drivers/impl_zmq.py", line 228, in recv
2015-02-05 17:25:37.348 TRACE nova     return self.sock.recv_multipart(**kwargs)
2015-02-05 17:25:37.348 TRACE nova   File "/usr/local/lib/python2.7/dist-packages/eventlet/green/zmq.py", line 359, in recv_multipart
2015-02-05 17:25:37.348 TRACE nova     return _Socket_recv_multipart(self, flags, copy, track)
2015-02-05 17:25:37.348 TRACE nova   File "/usr/lib/python2.7/dist-packages/zmq/sugar/socket.py", line 265, in recv_multipart
2015-02-05 17:25:37.348 TRACE nova     parts = [self.recv(flags, copy=copy, track=track)]
2015-02-05 17:25:37.348 TRACE nova   File "/usr/local/lib/python2.7/dist-packages/eventlet/green/zmq.py", line 338, in recv
2015-02-05 17:25:37.348 TRACE nova     self._eventlet_recv_event.block()
2015-02-05 17:25:37.348 TRACE nova   File "/usr/local/lib/python2.7/dist-packages/eventlet/green/zmq.py", line 104, in block
2015-02-05 17:25:37.348 TRACE nova     self._hub.switch()
2015-02-05 17:25:37.348 TRACE nova   File "/usr/local/lib/python2.7/dist-packages/eventlet/hubs/hub.py", line 294, in switch
2015-02-05 17:25:37.348 TRACE nova     return self.greenlet.switch()
2015-02-05 17:25:37.348 TRACE nova Timeout: Timeout while waiting on RPC response - topic: "<unknown>", RPC method: "<unknown>" info: "<unknown>"
2015-02-05 17:25:37.348 TRACE nova