add configurable VRF interface and user-timeout (#17108)

cmd/net.go

@@ -207,19 +207,6 @@ func isHostIP(ipAddress string) bool {
 	return net.ParseIP(host) != nil
 }
 
-// checkPortAvailability - check if given host and port is already in use.
-// Note: The check method tries to listen on given port and closes it.
-// It is possible to have a disconnected client in this tiny window of time.
-func checkPortAvailability(host, port string) (err error) {
-	l, err := net.Listen("tcp", net.JoinHostPort(host, port))
-	if err != nil {
-		return err
-	}
-	// As we are able to listen on this network, the port is not in use.
-	// Close the listener and continue check other networks.
-	return l.Close()
-}
-
 // extractHostPort - extracts host/port from many address formats
 // such as, ":9000", "localhost:9000", "http://localhost:9000/"
 func extractHostPort(hostAddr string) (string, string, error) {