code: def flush(set=None, family='ipv4'):
      '''
      Flush entries in the specified set,
      Flush all sets if set is not specified.
  
      CLI Example:
  
      .. code-block:: bash
  
          salt '*' ipset.flush
  
          salt '*' ipset.flush set
  
          IPv6:
          salt '*' ipset.flush
  
          salt '*' ipset.flush set
      '''
  
      settype = _find_set_type(set)
      if not settype:
          return 'Error: Set {0} does not exist'.format(set)
  
      ipset_family = _IPSET_FAMILIES[family]
      if set:
          cmd = '{0} flush {1}'.format(_ipset_cmd(), set)
      else:
          cmd = '{0} flush'.format(_ipset_cmd())
      out = __salt__['cmd.run'](cmd, python_shell=False)
  
      return not ouf flush(set=None, family='ipv4'):
      '''
      Flush entries in the specified set,
      Flush all sets if set is not specified.
  
      CLI Example:
  
      .. code-block:: bash
  
          salt '*' ipset.flush
  
          salt '*' ipset.flush set
  
          IPv6:
          salt '*' ipset.flush
  
          salt '*' ipset.flush set
      '''
  
      settype = _find_set_type(set)
      if not settype:
          return 'Error: Set {0} does not exist'.format(set)
  
      ipset_family = _IPSET_FAMILIES[family]
      if set:
          cmd = '{0} flush {1}'.format(_ipset_cmd(), set)
      else:
          cmd = '{0} flush'.format(_ipset_cmd())
      out = __salt__['cmd.run'](cmd, python_shell=False)
  
      return not out
docs: Flush entries in the specified set,
      Flush all sets if set is not specified.
  
      CLI Example:
  
      .. code-block:: bash
  
          salt '*' ipset.flush
  
          salt '*' ipset.flush set
  
          IPv6:
          salt '*' ipset.flush
  
          salt '*' ipset.flush set