docs: def reset_network(roles, extra_vars=None):
      """Reset the network constraints (latency, bandwidth ...)
  
      Remove any filter that have been applied to shape the traffic.
  
      Args:
          roles (dict): role->hosts mapping as returned by
              :py:meth:`enoslib.infra.provider.Provider.init`
          inventory (str): path to the inventory
      """
      logger.debug('Reset the constraints')
  
      if not extra_vars:
          extra_vars = {}
  
      tmpdir = os.path.join(os.getcwd(), TMP_DIRNAME)
  
      _check_tmpdir(tmpdir)
      utils_playbook = os.path.join(ANSIBLE_DIR, 'utils.yml')
      options = {'enos_action': 'tc_reset',
                 'tc_output_dir': tmpdir}
      options.update(extra_vars)
      run_ansible([utils_playbook], roles=roles, extra_vars=options)