docs: def loglevel(level):
      '''
      Set the debug level which limits the severity of log messages printed by ``pf(4)``.
  
      level:
          Log level. Should be one of the following: emerg, alert, crit, err, warning, notice,
          info or debug (OpenBSD); or none, urgent, misc, loud (FreeBSD).
  
      CLI example:
  
      .. code-block:: bash
  
          salt '*' pf.loglevel emerg
      '''
      # There's no way to getting the previous loglevel so imply we've
      # always made a change.
      ret = {'changes': True}
  
      myos = __grains__['os']
      if myos == 'FreeBSD':
          all_levels = ['none', 'urgent', 'misc', 'loud']
      else:
          all_levels = ['emerg', 'alert', 'crit', 'err', 'warning', 'notice', 'info', 'debug']
      if level not in all_levels:
          raise SaltInvocationError('Unknown loglevel: {0}'.format(level))
  
      result = __salt__['cmd.run_all']('pfctl -x {0}'.format(level),
                                       output_loglevel='trace',
                                       python_shell=False)
  
      if result['retcode'] != 0:
          raise CommandExecutionError(
              'Problem encountered setting loglevel',
              info={'errors': [result['stderr']], 'changes': False}
          )
  
      return ret