Handle unsupported exec_command and others w/o traceback in connections

[cidrblock]

  File "/opt/hostedtoolcache/Python/3.8.12/x64/lib/python3.8/site-packages/ansible/executor/task_executor.py", line 158, in run
    res = self._execute()
  File "/opt/hostedtoolcache/Python/3.8.12/x64/lib/python3.8/site-packages/ansible/executor/task_executor.py", line 582, in _execute
    result = self._handler.run(task_vars=variables)
  File "/opt/hostedtoolcache/Python/3.8.12/x64/lib/python3.8/site-packages/ansible/plugins/action/normal.py", line 47, in run
    result = merge_hash(result, self._execute_module(task_vars=task_vars, wrap_async=wrap_async))
  File "/opt/hostedtoolcache/Python/3.8.12/x64/lib/python3.8/site-packages/ansible/plugins/action/__init__.py", line 970, in _execute_module
    self._make_tmp_path()
  File "/opt/hostedtoolcache/Python/3.8.12/x64/lib/python3.8/site-packages/ansible/plugins/action/__init__.py", line 390, in _make_tmp_path
    tmpdir = self._remote_expand_user(self.get_shell_option('remote_tmp', default='~/.ansible/tmp'), sudoable=False)
  File "/opt/hostedtoolcache/Python/3.8.12/x64/lib/python3.8/site-packages/ansible/plugins/action/__init__.py", line 853, in _remote_expand_user
    data = self._low_level_execute_command(cmd, sudoable=False)
  File "/opt/hostedtoolcache/Python/3.8.12/x64/lib/python3.8/site-packages/ansible/plugins/action/__init__.py", line 1265, in _low_level_execute_command
    rc, stdout, stderr = self._connection.exec_command(cmd, in_data=in_data, sudoable=sudoable)
TypeError: cannot unpack non-iterable NoneType object
fatal: [localhost-v1]: FAILED! => {
    "msg": "Unexpected failure during module execution.",
    "stdout": ""
}```