code: func DefaultLocalConfig() *Config {
  	conf := DefaultLANConfig()
  	conf.TCPTimeout = time.Second
  	conf.IndirectChecks = 1
  	conf.RetransmitMult = 2
  	conf.SuspicionMult = 3
  	conf.PushPullInterval = 15 * time.Second
  	conf.ProbeTimeout = 200 * time.Millisecond
  	conf.ProbeInterval = time.Second
  	conf.GossipInterval = 100 * time.Millisecond
  	conf.GossipToTheDeadTime = 15 * time.Second
  	return conf
  }
docs: // DefaultLocalConfig works like DefaultConfig, however it returns a configuration
  // that is optimized for a local loopback environments. The default configuration is
  // still very conservative and errs on the side of caution.