michael@ubuntu-fra:~/xud-docker$ ./xud.sh -b update-lnd
1) Simnet
2) Testnet
3) Mainnet
Please choose the network: 2
Launching testnet environment...
Exception in thread Thread-3:
Traceback (most recent call last):
  File "/usr/lib/python3.7/threading.py", line 917, in _bootstrap_inner
    self.run()
  File "/usr/lib/python3.7/threading.py", line 865, in run
    self._target(*self._args, **self._kwargs)
  File "../pull.py", line 199, in update
    result = get_pull_image(branch, image)
  File "../pull.py", line 161, in get_pull_image
    d2 = get_image_digest(m2)
  File "../pull.py", line 133, in get_image_digest
    return metadata["Image"]
TypeError: 'NoneType' object is not subscriptable

Exception in thread Thread-5:
Traceback (most recent call last):
  File "/usr/lib/python3.7/threading.py", line 917, in _bootstrap_inner
    self.run()
  File "/usr/lib/python3.7/threading.py", line 865, in run
    self._target(*self._args, **self._kwargs)
  File "../pull.py", line 199, in update
    result = get_pull_image(branch, image)
  File "../pull.py", line 161, in get_pull_image
    d2 = get_image_digest(m2)
  File "../pull.py", line 133, in get_image_digest
    return metadata["Image"]
TypeError: 'NoneType' object is not subscriptable

Exception in thread Thread-1:
Traceback (most recent call last):
  File "/usr/lib/python3.7/threading.py", line 917, in _bootstrap_inner
    self.run()
  File "/usr/lib/python3.7/threading.py", line 865, in run
    self._target(*self._args, **self._kwargs)
  File "../pull.py", line 199, in update
    result = get_pull_image(branch, image)
  File "../pull.py", line 161, in get_pull_image
    d2 = get_image_digest(m2)
  File "../pull.py", line 133, in get_image_digest
    return metadata["Image"]
TypeError: 'NoneType' object is not subscriptable

^CFailed to launch testnet environment. For more details, see /home/michael/.xud-docker/testnet/xud-docker.log