code: func (c *Config) KubeProxyHostPort() (string, int) {
  	if c.KubeProxyAddr != "" {
  		addr, err := utils.ParseAddr(c.KubeProxyAddr)
  		if err == nil {
  			return addr.Host(), addr.Port(defaults.KubeProxyListenPort)
  		}
  	}
  
  	webProxyHost, _ := c.WebProxyHostPort()
  	return webProxyHost, defaults.KubeProxyListenPort
  }
docs: // KubeProxyHostPort returns the host and port of the Kubernetes proxy.