Error: concurrent.futures.process._RemoteTraceback:
"""
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/middlewared/plugins/zfs.py", line 1013, in mount
    dataset.mount()
  File "libzfs.pyx", line 411, in libzfs.ZFS.__exit__
  File "/usr/lib/python3/dist-packages/middlewared/plugins/zfs.py", line 1013, in mount
    dataset.mount()
  File "libzfs.pyx", line 3829, in libzfs.ZFSDataset.mount
libzfs.ZFSException: failed to create mountpoint: Operation not permitted

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/lib/python3.9/concurrent/futures/process.py", line 243, in _process_worker
    r = call_item.fn(*call_item.args, **call_item.kwargs)
  File "/usr/lib/python3/dist-packages/middlewared/worker.py", line 114, in main_worker
    res = MIDDLEWARE._run(*call_args)
  File "/usr/lib/python3/dist-packages/middlewared/worker.py", line 45, in _run
    return self._call(name, serviceobj, methodobj, args, job=job)
  File "/usr/lib/python3/dist-packages/middlewared/worker.py", line 39, in _call
    return methodobj(*params)
  File "/usr/lib/python3/dist-packages/middlewared/worker.py", line 39, in _call
    return methodobj(*params)
  File "/usr/lib/python3/dist-packages/middlewared/schema.py", line 1276, in nf
    return func(*args, **kwargs)
  File "/usr/lib/python3/dist-packages/middlewared/plugins/zfs.py", line 1016, in mount
    raise CallError(f'Failed to mount dataset: {e}')
middlewared.service_exception.CallError: [EFAULT] Failed to mount dataset: failed to create mountpoint: Operation not permitted
"""

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/middlewared/main.py", line 176, in call_method
    result = await self.middleware._call(message['method'], serviceobj, methodobj, params, app=self)
  File "/usr/lib/python3/dist-packages/middlewared/main.py", line 1293, in _call
    return await methodobj(*prepared_call.args)
  File "/usr/lib/python3/dist-packages/middlewared/service.py", line 920, in create
    rv = await self.middleware._call(
  File "/usr/lib/python3/dist-packages/middlewared/main.py", line 1293, in _call
    return await methodobj(*prepared_call.args)
  File "/usr/lib/python3/dist-packages/middlewared/schema.py", line 1140, in nf
    res = await f(*args, **kwargs)
  File "/usr/lib/python3/dist-packages/middlewared/schema.py", line 1272, in nf
    return await func(*args, **kwargs)
  File "/usr/lib/python3/dist-packages/middlewared/plugins/pool.py", line 3317, in do_create
    await self.middleware.call('zfs.dataset.mount', data['name'])
  File "/usr/lib/python3/dist-packages/middlewared/main.py", line 1344, in call
    return await self._call(
  File "/usr/lib/python3/dist-packages/middlewared/main.py", line 1301, in _call
    return await self._call_worker(name, *prepared_call.args)
  File "/usr/lib/python3/dist-packages/middlewared/main.py", line 1307, in _call_worker
    return await self.run_in_proc(main_worker, name, args, job)
  File "/usr/lib/python3/dist-packages/middlewared/main.py", line 1222, in run_in_proc
    return await self.run_in_executor(self.__procpool, method, *args, **kwargs)
  File "/usr/lib/python3/dist-packages/middlewared/main.py", line 1205, in run_in_executor
    return await loop.run_in_executor(pool, functools.partial(method, *args, **kwargs))
middlewared.service_exception.CallError: [EFAULT] Failed to mount dataset: failed to create mountpoint: Operation not permitted