[systemimage] Feb 25 13:32:21 2015 (29526) [0xb6430150] Requesting group download:
	http://system-image.tasemnice.eu/gpg/image-signing.tar.xz -> /android/cache/recovery/keyring.tar.xz
	http://system-image.tasemnice.eu/gpg/image-signing.tar.xz.asc -> /android/cache/recovery/keyring.tar.xz.asc

[systemimage] Feb 25 13:32:21 2015 (29526) [0xb6430150] Running group download reactor
[systemimage] Feb 25 13:32:22 2015 (29526) [0xb6430150] Group download reactor done
[systemimage] Feb 25 13:32:22 2015 (29526) uncaught exception in state machine
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/systemimage/state.py", line 129, in __next__
    step()
  File "/usr/lib/python3/dist-packages/systemimage/state.py", line 275, in _get_channel
    self.blacklist)
  File "/usr/lib/python3/dist-packages/systemimage/keyring.py", line 142, in get_keyring
    raise KeyringError('expired keyring timestamp')
systemimage.keyring.KeyringError: expired keyring timestamp