RHUI 2.0 および 2.1 でリポジトリを追加しようとすると sslv3 警告のハンドシェイクに失敗する

Issue

• この問題は、リストのファイルを取得するために CDN に接続する際に、RHUA の一部が SSL 3.0 を使用するため発生します。
• このエラーが発生すると、以下のエラーメッセージが /root/.rhui/rhui.log ファイルに表示されます。

Unexpected error caught at the shell level
Traceback (most recent call last):
  File "/usr/lib/python2.6/site-packages/rhui/tools/shell.py", line 86, in safe_listen
    self.listen(clear=first_run)
  File "/usr/lib/python2.6/site-packages/rhui/tools/shell.py", line 112, in listen
    Shell.listen(self)
  File "/usr/lib/python2.6/site-packages/rhui/common/shell.py", line 186, in listen
    item.func(*args, **item.kwargs)
  File "/usr/lib/python2.6/site-packages/rhui/tools/screens/repo.py", line 128, in add
    self.candidate_repo_manager.translate_entitlements()
  File "/usr/lib/python2.6/site-packages/rhui/tools/repo_candidates.py", line 72, in translate_entitlements
    mappings = self.cdn_api.expand_variables(e.download_url, cert.cert_filename)
  File "/usr/lib/python2.6/site-packages/rhui/tools/cdn_api.py", line 71, in expand_variables
    mappings = self._translate_next_variable({'' : url}, cert_filename)
  File "/usr/lib/python2.6/site-packages/rhui/tools/cdn_api.py", line 104, in _translate_next_variable
    substitutions = self._request_get(listing_url, cert_filename).split('\n')
  File "/usr/lib/python2.6/site-packages/rhui/tools/cdn_api.py", line 156, in _request_get
    server = self._server(cert_filename)
  File "/usr/lib/python2.6/site-packages/rhui/tools/cdn_api.py", line 223, in _server
    server.connect()
  File "/usr/lib64/python2.6/site-packages/M2Crypto/httpslib.py", line 50, in connect
    self.sock.connect((self.host, self.port))
  File "/usr/lib64/python2.6/site-packages/M2Crypto/SSL/Connection.py", line 185, in connect
    ret = self.connect_ssl()
  File "/usr/lib64/python2.6/site-packages/M2Crypto/SSL/Connection.py", line 178, in connect_ssl
    return m2.ssl_connect(self.ssl, self._timeout)
SSLError: sslv3 alert handshake failure