if err != nil {
		if isErrPreconditionFailed(err) {
			return
		}
		if globalBucketVersioningSys.PrefixEnabled(srcBucket, srcObject) && gr != nil {
			// Versioning enabled quite possibly object is deleted might be delete-marker
			// if present set the headers, no idea why AWS S3 sets these headers.
			if gr.ObjInfo.VersionID != "" && gr.ObjInfo.DeleteMarker {
				w.Header()[xhttp.AmzVersionID] = []string{gr.ObjInfo.VersionID}

	}
	// Apply traffic policy for the main default cluster.
	cb.applyTrafficPolicy(opts)

	// Apply EdsConfig if needed. This should be called after traffic policy is applied because, traffic policy might change
	// discovery type.
	maybeApplyEdsConfig(mc.cluster)

	cb.applyMetadataExchange(opts.mutable.cluster)

	if service.MeshExternal {
		im := getOrCreateIstioMetadata(mc.cluster)