}
	go ztun.Run(ctx)

	// now as a client connect confirm we and get snapshot
	resolvedAddr, err := net.ResolveUnixAddr("unixpacket", addr)
	if err != nil {
		panic(err)
	}
	ztunClient, err := net.DialUnix("unixpacket", nil, resolvedAddr)
	if err != nil {
		panic(err)
	}

	// send hello
	sendHello(ztunClient)

	return struct {
		ztunClient *net.UnixConn
		ztunServer *ztunnelServer

pkg net, func DialTCP(string, *TCPAddr, *TCPAddr) (*TCPConn, error)
pkg net, func DialTimeout(string, string, time.Duration) (Conn, error)
pkg net, func DialUDP(string, *UDPAddr, *UDPAddr) (*UDPConn, error)
pkg net, func DialUnix(string, *UnixAddr, *UnixAddr) (*UnixConn, error)
pkg net, func FileConn(*os.File) (Conn, error)
pkg net, func FileListener(*os.File) (Listener, error)
pkg net, func FilePacketConn(*os.File) (PacketConn, error)