File "/home/jrydberg/python/lib/python/twisted/python/context.py", line 59, in callWithContext
            return self.currentContext().callWithContext(ctx, func, *args, **kw)
          File "/home/jrydberg/python/lib/python/twisted/python/context.py", line 37, in callWithContext
            return func(*args,**kw)
          File "/home/jrydberg/python/lib/python/twisted/conch/ssh/service.py", line 42, in packetReceived
            f(packet)
          File "/home/jrydberg/python/lib/python/twisted/conch/ssh/connection.py", line 166, in ssh_CHANNEL_CLOSE
            log.callWithLogger(channel, channel.closeReceived)
        --- <exception caught here> ---
          File "/home/jrydberg/python/lib/python/twisted/python/log.py", line 53, in callWithLogger
            return callWithContext({"system": lp}, func, *args, **kw)
          File "/home/jrydberg/python/lib/python/twisted/python/log.py", line 38, in callWithContext
            return context.call({ILogContext: newCtx}, func, *args, **kw)
          File "/home/jrydberg/python/lib/python/twisted/python/context.py", line 59, in callWithContext
            return self.currentContext().callWithContext(ctx, func, *args, **kw)
          File "/home/jrydberg/python/lib/python/twisted/python/context.py", line 37, in callWithContext
            return func(*args,**kw)
          File "/home/jrydberg/python/lib/python/twisted/conch/ssh/channel.py", line 129, in closeReceived
            self.loseConnection()
          File "/home/jrydberg/python/lib/python/twisted/conch/ssh/session.py", line 131, in loseConnection
            self.client.transport.loseConnection()
        exceptions.AttributeError: 'NoneType' object has no attribute 'loseConnection'