diff --git a/pkg/kubelet/volumemanager/reconciler/reconstruct_common.go b/pkg/kubelet/volumemanager/reconciler/reconstruct_common.go
index 443669e13e0..584ce9bff0d 100644
--- a/pkg/kubelet/volumemanager/reconciler/reconstruct_common.go
+++ b/pkg/kubelet/volumemanager/reconciler/reconstruct_common.go
@@ -38,6 +38,8 @@ import (
 	utilstrings "k8s.io/utils/strings"
 )
 
+// these interfaces are necessary to keep the structures private
+// and at the same time log them correctly in structured logs.
 var _ logr.Marshaler = podVolume{}
 var _ logr.Marshaler = reconstructedVolume{}
 var _ logr.Marshaler = globalVolumeInfo{}