err = globalTrace.SubscribeJSON(traceOpts.TraceTypes(), traceCh, ctx.Done(), func(entry madmin.TraceInfo) bool {
		return shouldTrace(entry, traceOpts)
	}, nil)
	if err != nil {
		writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
		return
	}

	// Publish bootstrap events that have already occurred before client could subscribe.
	if traceOpts.TraceTypes().Contains(madmin.TraceBootstrap) {