if err := os.Remove(addr); err != nil && !os.IsNotExist(err) {
		// Anything other than "file not found" is an error.
		return nil, fmt.Errorf("failed to remove unix://%s: %w", addr, err)
	}

	l, err := net.ListenUnix("unixpacket", resolvedAddr)
	if err != nil {
		return nil, fmt.Errorf("failed to listen unix: %w", err)
	}

	return &ztunnelServer{
		listener: l,
		conns: &connMgr{

pkg net, func ListenPacket(string, string) (PacketConn, error)
pkg net, func ListenTCP(string, *TCPAddr) (*TCPListener, error)
pkg net, func ListenUDP(string, *UDPAddr) (*UDPConn, error)
pkg net, func ListenUnix(string, *UnixAddr) (*UnixListener, error)
pkg net, func ListenUnixgram(string, *UnixAddr) (*UDPConn, error)
pkg net, func LookupAddr(string) ([]string, error)
pkg net, func LookupCNAME(string) (string, error)