$ ./repo sync
remote: Counting objects: 20, done
remote: Finding sources: 100% (12/12)
remote: Getting sizes: 100% (10/10)
remote: Compressing objects: 100% (2/2)
remote: Total 12 (delta , reused 12 (delta
Unpacking objects: 100% (12/12), done.
From https://android.googlesource.com/device/google/accessory/arduino
   9b1ef69..abc5159  master     -> aosp/master
Fetching projects:   6% (16/254)  Exception in thread Thread-13:
Traceback (most recent call last):
  File "/usr/lib/python2.7/threading.py", line 551, in __bootstrap_inner
    self.run()
  File "/usr/lib/python2.7/threading.py", line 504, in run
    self.__target(*self.__args, **self.__kwargs)
  File "/home/urka/android-sdk-linux/platform-tools/.repo/repo/subcmds/sync.py", line 200, in _FetchHelper
    clone_bundle=not opt.no_clone_bundle)
  File "/home/urka/android-sdk-linux/platform-tools/.repo/repo/project.py", line 968, in Sync_NetworkHalf
    and self._ApplyCloneBundle(initial=is_new, quiet=quiet):
  File "/home/urka/android-sdk-linux/platform-tools/.repo/repo/project.py", line 1526, in _ApplyCloneBundle
    exist_dst = self._FetchBundle(bundle_url, bundle_tmp, bundle_dst, quiet)
  File "/home/urka/android-sdk-linux/platform-tools/.repo/repo/project.py", line 1590, in _FetchBundle
    raise DownloadError('%s: %s ' % (req.get_host(), str(e)))
DownloadError: android.googlesource.com: <urlopen error [Errno 101] Network is unreachable>