docs: def flush(name, family='ipv4', **kwargs):
      '''
      .. versionadded:: 2014.7.0
  
      Flush current nftables state
  
      family
          Networking family, either ipv4 or ipv6
  
      '''
      ret = {'name': name,
             'changes': {},
             'result': None,
             'comment': ''}
  
      for ignore in _STATE_INTERNAL_KEYWORDS:
          if ignore in kwargs:
              del kwargs[ignore]
  
      if 'table' not in kwargs:
          kwargs['table'] = 'filter'
  
      res = __salt__['nftables.check_table'](kwargs['table'], family=family)
      if not res['result']:
          ret['result'] = False
          ret['comment'] = 'Failed to flush table {0} in family {1}, table does not exist.'.format(
              kwargs['table'],
              family
          )
          return ret
  
      if 'chain' not in kwargs:
          kwargs['chain'] = ''
      else:
          res = __salt__['nftables.check_chain'](kwargs['table'],
                                                 kwargs['chain'],
                                                 family=family)
          if not res['result']:
              ret['result'] = False
              ret['comment'] = 'Failed to flush chain {0} in table {1} in family {2}, chain does not exist.'.format(
                  kwargs['chain'],
                  kwargs['table'],
                  family
              )
              return ret
  
      res = __salt__['nftables.flush'](kwargs['table'],
                                       kwargs['chain'],
                                       family)
      if res['result']:
          ret['changes'] = {'locale': name}
          ret['result'] = True
          ret['comment'] = 'Flush nftables rules in {0} table {1} chain {2} family'.format(
              kwargs['table'],
              kwargs['chain'],
              family
          )
          return ret
      else:
          ret['result'] = False
          ret['comment'] = 'Failed to flush nftables rules'
          return ret