diff --git a/pkg/csi/cinder/nodeserver.go b/pkg/csi/cinder/nodeserver.go
index 98fc09f492..2655ed6dcb 100644
--- a/pkg/csi/cinder/nodeserver.go
+++ b/pkg/csi/cinder/nodeserver.go
@@ -67,6 +67,7 @@ func (ns *nodeServer) NodePublishVolume(ctx context.Context, req *csi.NodePublis
 
 	ephemeralVolume := req.GetVolumeContext()["csi.storage.k8s.io/ephemeral"] == "true"
 	if ephemeralVolume {
+		// See https://github.com/kubernetes/cloud-provider-openstack/issues/1493
 		klog.Warningf("CSI inline ephemeral volumes support is deprecated in 1.24 release.")
 		return nodePublishEphemeral(req, ns)
 	}