Comment 2 for bug 901449

OOPS-04319168ea720529358ae77eb667fea9 may be an example of this:
 error: [Errno 104] Connection reset by peer

    Traceback (most recent call last):
  Module lp.services.messaging.rabbit, line 188, in finish
    super(RabbitUnreliableSession, self).finish()
  Module lp.services.messaging.rabbit, line 134, in finish
    self.reset()
  Module lp.services.messaging.rabbit, line 139, in reset
    self.disconnect()
  Module lp.services.messaging.rabbit, line 119, in disconnect
    self._connection.close()
  Module amqplib.client_0_8.connection, line 301, in close
    (10, 61), # Connection.close_ok
  Module amqplib.client_0_8.abstract_channel, line 89, in wait
    self.channel_id, allowed_methods)
  Module amqplib.client_0_8.connection, line 218, in _wait_method
    self.wait()
  Module amqplib.client_0_8.abstract_channel, line 105, in wait
    return amqp_method(self, args)
  Module amqplib.client_0_8.connection, line 365, in _close
    self._x_close_ok()
  Module amqplib.client_0_8.connection, line 384, in _x_close_ok
    self._send_method((10, 61))
  Module amqplib.client_0_8.abstract_channel, line 70, in _send_method
    method_sig, args, content)
  Module amqplib.client_0_8.method_framing, line 233, in write_method
    self.dest.write_frame(1, channel, payload)
  Module amqplib.client_0_8.transport, line 125, in write_frame
    frame_type, channel, size, payload, 0xce))
  Module socket, line 1, in sendall
error: [Errno 104] Connection reset by peer

the no url and so forth is a little worrying too.