It would be nice to not log such traceback:

haypo@selma$ ./python -m test test_ssl -m test.test_ssl.ThreadedTests.test_echo
Run tests sequentially
0:00:00 load avg: 0.69 [1/1] test_ssl
Exception in thread Thread-16:
Traceback (most recent call last):
  File "/home/haypo/prog/python/master/Lib/threading.py", line 917, in _bootstrap_inner
    self.run()
  File "/home/haypo/prog/python/master/Lib/test/test_ssl.py", line 1936, in run
    if not self.wrap_conn():
  File "/home/haypo/prog/python/master/Lib/test/test_ssl.py", line 1881, in wrap_conn
    self.sock, server_side=True)
  File "/home/haypo/prog/python/master/Lib/ssl.py", line 401, in wrap_socket
    _context=self, _session=session)
  File "/home/haypo/prog/python/master/Lib/ssl.py", line 808, in __init__
    self.do_handshake()
  File "/home/haypo/prog/python/master/Lib/ssl.py", line 1061, in do_handshake
    self._sslobj.do_handshake()
  File "/home/haypo/prog/python/master/Lib/ssl.py", line 683, in do_handshake
    self._sslobj.do_handshake()
OSError: [Errno 0] Error

1 test OK.

Total duration: 205 ms
Tests result: SUCCESS