var err error
			base, err = d.debugAddr(u, uint64(addrBase), baseIdx)
			if err != nil {
				return nil, err
			}

		case rleStartxEndx:
			startIdx := buf.uint()
			endIdx := buf.uint()

			start, err := d.debugAddr(u, uint64(addrBase), startIdx)
			if err != nil {
				return nil, err
			}
			end, err := d.debugAddr(u, uint64(addrBase), endIdx)
			if err != nil {

	fd, err := os.Stat(telemetry.Default.DebugDir())
	if err != nil {
		if !os.IsNotExist(err) {
			log.Fatalf("failed to stat debug directory: %v", err)
		}
	} else if fd.IsDir() {
		// local/debug exists and is a directory. Set stderr to a log file path
		// in local/debug.
		childLogPath := filepath.Join(telemetry.Default.DebugDir(), "sidecar.log")