Windows: WindowsError on volume_manager (\\?\ is leaked from os_helper)

2011-06-30 18:56:35,049 - ubuntuone.SyncDaemon.sync - DEBUG - -:-:- - ['-'::'-'] 'u'\\\\?\\C:\\
Users\\Test\\Ubuntu One\\test\\New Bitmap Image.bmp'' | EVENT: SV_FILE_NEW:{} with ARGS:('', '4
b2b290b-f08b-402f-98f8-a203a3740dbb', '5451df96-572e-4362-b300-d1ebe5c1db9a', 'New Bitmap Image
.bmp')
2011-06-30 18:56:35,052 - ubuntuone.SyncDaemon.sync - INFO - -:-:- - ['-'::'-'] 'u'\\\\?\\C:\\U
sers\\Test\\Ubuntu One\\test\\New Bitmap Image.bmp'' | Calling new_file (got SV_FILE_NEW:{})
2011-06-30 18:56:35,053 - ubuntuone.SyncDaemon.VM - ERROR - Got exception when trying to stat path \\?\C:\Users\Test\Ubuntu One\test\New Bitmap Image.bmp
Traceback (most recent call last):
  File "C:\Users\Test\src\ubuntuone-client\ubuntuone\platform\windows\os_helper.py", line 559, in stat_path
    return os.lstat(path)
WindowsError: [Error 2] The system cannot find the file specified: u'\\\\?\\C:\\Users\\Test\\Ubuntu One\\test\\New Bitmap Image.bmp'
2011-06-30 18:56:35,059 - ubuntuone.SyncDaemon.fsm - DEBUG - set_node_id: path=u'\\\\?\\C:\\Users\\Test\\Ubuntu One\\test\\New Bitmap Image.bmp' mdid='5ff17583-c965-4f6f-8af5-4e3dc9c359c1' share_id='' node_id='4b2b290b-f08b-402f-98f8-a203a3740dbb'
2011-06-30 18:56:35,062 - ubuntuone.SyncDaemon.fsm - DEBUG - create: path=u'\\\\?\\C:\\Users\\Test\\Ubuntu One\\test\\New Bitmap Image.bmp' mdid='5ff17583-c965-4f6f-8af5-4e3dc9c359c1' share_id='' node_id=None is_dir=False
2011-06-30 18:56:35,066 - ubuntuone.SyncDaemon.fsm - DEBUG - set mdid='5ff17583-c965-4f6f-8af5-4e3dc9c359c1': {'local_hash': '', 'server_hash': ''}
2011-06-30 18:56:35,069 - ubuntuone.SyncDaemon.sync - DEBUG - T:NONE:F 5ff17583-c965-4f6f-8af5-4e3dc9c359c1 ['root'::'4b2b290b-f08b-402f-98f8-a203a3740dbb'] 'u'Ubuntu One\\test\\New Bitmap Image.bmp'' | Called new_file
2011-06-30 18:56:35,071 - ubuntuone.SyncDaemon.EQ - DEBUG - push_event: SV_FILE_NEW, kwargs: {'parent_id': '5451df96-572e-4362-b300-d1ebe5c1db9a', 'node_id': '4b2b290b-f08b-402f-98f8-a203a3740dbb', 'name': 'New Bitmap Image.bmp', 'volume_id': ''}
2011-06-30 18:56:35,073 - ubuntuone.SyncDaemon.sync - DEBUG - T:NONE:F 5ff17583-c965-4f6f-8af5-4e3dc9c359c1 ['root'::'4b2b290b-f08b-402f-98f8-a203a3740dbb'] 'u'Ubuntu One\\test\\New Bitmap Image.bmp'' | EVENT: SV_HASH_NEW:{'hash_eq_local_hash': 'T', 'hash_eq_server_hash': 'T'} with ARGS:('',)
2011-06-30 18:56:35,076 - ubuntuone.SyncDaemon.sync - INFO - T:NONE:F 5ff17583-c965-4f6f-8af5-4e3dc9c359c1 ['root'::'4b2b290b-f08b-402f-98f8-a203a3740dbb'] 'u'Ubuntu One\\test\\New Bitmap Image.bmp'' | Calling nothing (got SV_HASH_NEW:{'hash_eq_local_hash': 'T', 'hash_eq_server_hash': 'T'})
2011-06-30 18:56:35,081 - ubuntuone.SyncDaemon.sync - DEBUG - T:NONE:F 5ff17583-c965-4f6f-8af5-4e3dc9c359c1 ['root'::'4b2b290b-f08b-402f-98f8-a203a3740dbb'] 'u'Ubuntu One\\test\\New Bitmap Image.bmp'' | Called nothing