rancher agent reconnecting

agent.log

2015-12-09 14:53:04,959 INFO requests.packages.urllib3.connectionpool [139899743938992] [connectionpool.py:756] Starting new HTTPS connection (57): rancher.eionet.europa.eu
2015-12-09 14:53:09,962 ERROR agent [139899743938992] [event.py:111] fc891300-a765-4d75-92fb-585c81ff3914 : Unknown error
Traceback (most recent call last):
  File "/var/lib/cattle/pyagent/cattle/agent/event.py", line 96, in _worker_main
    publisher.publish(resp)
  File "/var/lib/cattle/pyagent/cattle/plugins/core/publisher.py", line 24, in publish
    timeout=60)
  File "/var/lib/cattle/pyagent/dist/requests/sessions.py", line 511, in post
    return self.request('POST', url, data=data, json=json, **kwargs)
  File "/var/lib/cattle/pyagent/dist/requests/sessions.py", line 468, in request
    resp = self.send(prep, **send_kwargs)
  File "/var/lib/cattle/pyagent/dist/requests/sessions.py", line 576, in send
    r = adapter.send(request, **kwargs)
  File "/var/lib/cattle/pyagent/dist/requests/adapters.py", line 370, in send
    timeout=timeout
  File "/var/lib/cattle/pyagent/dist/requests/packages/urllib3/connectionpool.py", line 559, in urlopen
    body=body, headers=headers)
  File "/var/lib/cattle/pyagent/dist/requests/packages/urllib3/connectionpool.py", line 353, in _make_request
    conn.request(method, url, **httplib_request_kw)
  File "/usr/lib/python2.7/httplib.py", line 979, in request
    self._send_request(method, url, body, headers)
  File "/usr/lib/python2.7/httplib.py", line 1013, in _send_request
    self.endheaders(body)
  File "/usr/lib/python2.7/httplib.py", line 975, in endheaders
    self._send_output(message_body)
  File "/usr/lib/python2.7/httplib.py", line 835, in _send_output
    self.send(msg)
  File "/usr/lib/python2.7/httplib.py", line 811, in send
    self.sock.sendall(data)
  File "/var/lib/cattle/pyagent/dist/requests/packages/urllib3/contrib/pyopenssl.py", line 220, in sendall
    sent = self._send_until_done(data[total_sent:total_sent+SSL_WRITE_BLOCKSIZE])
  File "/var/lib/cattle/pyagent/dist/requests/packages/urllib3/contrib/pyopenssl.py", line 206, in _send_until_done
    return self.connection.send(data)
  File "/usr/local/lib/python2.7/dist-packages/OpenSSL/SSL.py", line 1271, in send
    self._raise_ssl_error(self._ssl, result)
  File "/usr/local/lib/python2.7/dist-packages/OpenSSL/SSL.py", line 1187, in _raise_ssl_error
    _raise_current_error()
  File "/usr/local/lib/python2.7/dist-packages/OpenSSL/_util.py", line 48, in exception_from_error_queue
    raise exception_type(errors)
Error: [('SSL routines', 'SSL3_WRITE_PENDING', 'bad write retry')]