--- a/Zeroconf.py	Sun Nov 20 18:14:04 2011 +0100
+++ b/Zeroconf.py	Mon Nov 21 11:40:29 2011 +0100
@@ -861,7 +861,8 @@
                         try:
                             self.readers[socket].handle_read()
                         except:
-                            traceback.print_exc()
+                            # Ignore errors that occur on shutdown
+                            pass
                 except:
                     pass