Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/cloudinit/cmd/main.py", line 381, in main_init
    freq=PER_INSTANCE)
  File "/usr/lib/python3/dist-packages/cloudinit/cloud.py", line 54, in run
    return self._runners.run(name, functor, args, freq, clear_on_fail)
  File "/usr/lib/python3/dist-packages/cloudinit/helpers.py", line 187, in run
    results = functor(*args)
  File "/usr/lib/python3/dist-packages/cloudinit/stages.py", line 538, in consume_data
    self._consume_userdata(frequency)
  File "/usr/lib/python3/dist-packages/cloudinit/stages.py", line 612, in _consume_userdata
    self._do_handlers(user_data_msg, c_handlers_list, frequency)
  File "/usr/lib/python3/dist-packages/cloudinit/stages.py", line 528, in _do_handlers
    walk_handlers(excluded)
  File "/usr/lib/python3/dist-packages/cloudinit/stages.py", line 511, in walk_handlers
    handlers.walk(data_msg, handlers.walker_callback, data=part_data)
  File "/usr/lib/python3/dist-packages/cloudinit/handlers/__init__.py", line 220, in walk
    for part in msg.walk():
AttributeError: 'bytes' object has no attribute 'walk'