File "/usr/lib64/python2.7/threading.py", line 777 in __bootstrap
    self.__bootstrap_inner()
  File "/usr/lib64/python2.7/threading.py", line 804 in __bootstrap_inner
    self.run()
  File "/usr/lib/python2.7/site-packages/bodhi/server/consumers/masher.py", line 360 in run
    self.work()
  File "/usr/lib/python2.7/site-packages/bodhi/server/consumers/masher.py", line 437 in work
    uinfo = self.generate_updateinfo()
  File "/usr/lib/python2.7/site-packages/bodhi/server/consumers/masher.py", line 900 in generate_updateinfo
    self.db, self.mash_dir)
  File "/usr/lib/python2.7/site-packages/bodhi/server/metadata.py", line 127 in __init__
    self.add_update(update)
  File "/usr/lib/python2.7/site-packages/bodhi/server/metadata.py", line 213 in add_update
    koji = get_session()
  File "/usr/lib/python2.7/site-packages/bodhi/server/buildsys.py", line 538 in get_session
    return _buildsystem()
  File "/usr/lib/python2.7/site-packages/bodhi/server/buildsys.py", line 570 in get_koji_login
    return koji_login(config=settings)
  File "/usr/lib/python2.7/site-packages/bodhi/server/buildsys.py", line 495 in koji_login
    if not koji_client.krb_login(**get_krb_conf(config)):
  File "/usr/lib/python2.7/site-packages/koji/__init__.py", line 2131 in krb_login
    if self.gssapi_login(principal, keytab, ccache, proxyuser=proxyuser):
  File "/usr/lib/python2.7/site-packages/koji/__init__.py", line 2264 in gssapi_login
    sinfo = self._callMethod('sslLogin', [proxyuser], retry=False)
  File "/usr/lib/python2.7/site-packages/koji/__init__.py", line 2478 in _callMethod
    return self._sendCall(handler, headers, request)
  File "/usr/lib/python2.7/site-packages/koji/__init__.py", line 2391 in _sendCall
    return self._sendOneCall(handler, headers, request)
  File "/usr/lib/python2.7/site-packages/koji/__init__.py", line 2436 in _sendOneCall
    r = self.rsession.post(handler, **callopts)
  File "/usr/lib/python2.7/site-packages/requests/sessions.py", line 555 in post
    return self.request('POST', url, data=data, json=json, **kwargs)
  File "/usr/lib/python2.7/site-packages/requests/sessions.py", line 508 in request
    resp = self.send(prep, **send_kwargs)
  File "/usr/lib/python2.7/site-packages/requests/sessions.py", line 625 in send
    r = dispatch_hook('response', hooks, r, **kwargs)
  File "/usr/lib/python2.7/site-packages/requests/hooks.py", line 31 in dispatch_hook
    _hook_data = hook(hook_data, **kwargs)
  File "/usr/lib/python2.7/site-packages/requests_kerberos/kerberos_.py", line 400 in handle_response
    _r = self.handle_401(response, **kwargs)
  File "/usr/lib/python2.7/site-packages/requests_kerberos/kerberos_.py", line 286 in handle_401
    _r = self.authenticate_user(response, **kwargs)
  File "/usr/lib/python2.7/site-packages/requests_kerberos/kerberos_.py", line 261 in authenticate_user
    auth_header = self.generate_request_header(response, host)
  File "/usr/lib/python2.7/site-packages/requests_kerberos/kerberos_.py", line 242 in generate_request_header
    "generate_request_header(): {0} failed:".format(kerb_stage))
Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/requests_kerberos/kerberos_.py", line 230, in generate_request_header
    negotiate_resp_value)
GSSError: (('Unspecified GSS failure.  Minor code may provide more information', 851968), ('Ticket expired', -1765328352))