z.conns.addConn(conn)
	defer z.conns.deleteConn(conn)

	// get hello message from ztunnel
	m, _, err := readProto[zdsapi.ZdsHello](conn.u, readWriteDeadline, nil)
	if err != nil {
		return err
	}
	log.Infof("received hello from ztunnel. %v", m.Version)
	log.Debug("sending snapshot to ztunnel")
	if err := z.sendSnapshot(ctx, conn); err != nil {
		return err