thumbor: Thumbor URI with question mark return 404

when i try using query string on thumbor uri, returns 404.

2014-07-29 17:44:14 thumbor:WARNING ERROR retrieving image http://f11688041dcc49128cfc4c9931f10b2f?23213131: [Errno -2] Name or service not known
2014-07-29 17:44:14 tornado.access:WARNING 404 GET /unsafe/f11688041dcc49128cfc4c9931f10b2f/c406191a221a5e1a55.jpg?23213131 (201.91.210.242) 6.90ms
2014-07-29 17:44:14 thumbor:WARNING ERROR retrieving image http://f11688041dcc49128cfc4c9931f10b2f?23213131: [Errno -2] Name or service not known
2014-07-29 17:44:14 tornado.access:WARNING 404 GET /unsafe/f11688041dcc49128cfc4c9931f10b2f/c406191a221a5e1a55.jpg?23213131 (201.91.210.242) 2.8

THUMBOR_LOG_FORMAT = '%(asctime)s %(name)s:%(levelname)s %(message)s'

THUMBOR_LOG_DATE_FORMAT = '%Y-%m-%d %H:%M:%S'

MAX_WIDTH = 800

MAX_HEIGHT = 600

QUALITY = 80

AUTO_WEBP = True

MAX_AGE = 604800

LOADER = 'thumbor.loaders.http_loader'

STORAGE = 'thumbor.storages.file_storage'

ENGINE = 'thumbor.engines.pil'

SECURITY_KEY = 'SENHA'

ALLOW_UNSAFE_URL = True

ALLOW_OLD_URLS = False

FILE_LOADER_ROOT_PATH = '/glusterfs'

STORES_CRYPTO_KEY_FOR_EACH_IMAGE = True

FILE_STORAGE_ROOT_PATH = '/glusterfs'

UPLOAD_ENABLED = True

UPLOAD_PHOTO_STORAGE = 'thumbor.storages.file_storage'

FILTERS = [
'thumbor.filters.brightness',
    'thumbor.filters.contrast',
    'thumbor.filters.rgb',
    'thumbor.filters.round_corner',
    'thumbor.filters.quality',
    'thumbor.filters.noise',
    'thumbor.filters.watermark'
]

# pip list
argparse (1.2.1)
backports.ssl-match-hostname (3.4.0.2)
boto (2.3.0)
Cheetah (2.4.4)
cloud-init (0.7.2)
configobj (4.7.2)
derpconf (0.6.0)
GnuPGInterface (0.3.2)
oauth (1.0.1)
Pillow (2.3.1)
pip (1.5.6)
prettytable (0.6.1)
pycrypto (2.6.1)
pycurl (7.19.0)
python-apt (0.8.8.2)
python-magic (0.4.6)
PyYAML (3.10)
requests (0.12.1)
setuptools (5.4.1)
six (1.1.0)
thumbor (4.2.1)
thumbor-pexif (0.14)
tornado (3.2.2)
unattended-upgrades (0.1)
wsgiref (0.1.2)