Revert "cleanup: decrease log level from warn to v3"

This reverts commit ebece49936e635f151fdd8a64fa2b77fd183e817.

Author: jvanz

pkg/volume/volume_linux.go

@@ -46,7 +46,7 @@ func SetVolumeOwnership(mounter Mounter, fsGroup *int64, fsGroupChangePolicy *v1
 
 	fsGroupPolicyEnabled := utilfeature.DefaultFeatureGate.Enabled(features.ConfigurableFSGroupPolicy)
 
-	klog.V(3).Infof("Setting volume ownership for %s and fsGroup set. If the volume has a lot of files then setting volume ownership could be slow, see https://github.com/kubernetes/kubernetes/issues/69699", mounter.GetPath())
+	klog.Warningf("Setting volume ownership for %s and fsGroup set. If the volume has a lot of files then setting volume ownership could be slow, see https://github.com/kubernetes/kubernetes/issues/69699", mounter.GetPath())
 
 	// This code exists for legacy purposes, so as old behaviour is entirely preserved when feature gate is disabled
 	// TODO: remove this when ConfigurableFSGroupPolicy turns GA.