Mine

Traceback (most recent call last):
  File "/usr/lib/python2.4/site-packages/twisted/python/log.py", line 38, in callWithContext
    return context.call({ILogContext: newCtx}, func, *args, **kw)
  File "/usr/lib/python2.4/site-packages/twisted/python/context.py", line 59, in callWithContext
    return self.currentContext().callWithContext(ctx, func, *args, **kw)
  File "/usr/lib/python2.4/site-packages/twisted/python/context.py", line 37, in callWithContext
    return func(*args,**kw)
  File "/usr/lib/python2.4/site-packages/twisted/internet/selectreactor.py", line 139, in _doReadOrWrite
    why = getattr(selectable, method)()
--- <exception caught here> ---
  File "/usr/lib/python2.4/site-packages/twisted/internet/udp.py", line 127, in doRead
    self.protocol.datagramReceived(data, addr)
  File "/home/phil/devel/python-upnp/ssdp.py", line 94, in datagramReceived
    log.msg('Unknown SSDP command %s %s' % cmd)
exceptions.TypeError: not enough arguments for format string