Logs are full of iso8601 messages
2013-10-31 20:13:23.321 32492 DEBUG iso8601.iso8601 [-] Parsed 2013-11-01T19:22:39.000000Z into {'tz_sign': None, 'second_fraction': u'000000', 'hour': u'19', 'tz_hour': None, 'month': u'11', 'timezone': u'Z', 'second': u'39', 'tz_minute': None, 'year': u'2013', 'separator': u'T', 'day': u'01', 'minute': u'22'} with default timezone <iso8601.iso8601.Utc object at 0x19b6810> parse_date /usr/local/lib/python2.7/dist-packages/iso8601/iso8601.py:166
2013-10-31 20:13:23.321 32492 DEBUG iso8601.iso8601 [-] Got u'2013' for 'year' with default None to_int /usr/local/lib/python2.7/dist-packages/iso8601/iso8601.py:124
2013-10-31 20:13:23.321 32492 DEBUG iso8601.iso8601 [-] Got u'11' for 'month' with default None to_int /usr/local/lib/python2.7/dist-packages/iso8601/iso8601.py:124
2013-10-31 20:13:23.321 32492 DEBUG iso8601.iso8601 [-] Got u'01' for 'day' with default None to_int /usr/local/lib/python2.7/dist-packages/iso8601/iso8601.py:124
2013-10-31 20:13:23.321 32492 DEBUG iso8601.iso8601 [-] Got u'19' for 'hour' with default None to_int /usr/local/lib/python2.7/dist-packages/iso8601/iso8601.py:124
2013-10-31 20:13:23.322 32492 DEBUG iso8601.iso8601 [-] Got u'22' for 'minute' with default None to_int /usr/local/lib/python2.7/dist-packages/iso8601/iso8601.py:124
2013-10-31 20:13:23.322 32492 DEBUG iso8601.iso8601 [-] Got u'39' for 'second' with default None to_int /usr/local/lib/python2.7/dist-packages/iso8601/iso8601.py:124
Observed in master devstack installation.