make output less scary for new files

internal/app/wwctl/overlay/edit/main.go

@@ -80,13 +80,13 @@ func CobraRunE(cmd *cobra.Command, args []string) error {
 	}
 	fileDesc1, err := os.OpenFile(overlayFile, os.O_RDWR, os.FileMode(PermMode))
 	if err != nil {
-		wwlog.Warn("Could not open file for editing: %s", err)
+		wwlog.Verbose("Files doesn't exist or can't be created: %s", err)
 	}
 	defer fileDesc1.Close()
 	_, _ = fileDesc1.Seek(0, 0)
 	hasher := sha256.New()
 	if _, err := io.Copy(hasher, fileDesc1); err != nil {
-		wwlog.Error("Problems getting checksum of file %s\n", err)
+		wwlog.Verbose("Problems getting checksum of file %s\n", err)
 	}
 	sum1 := hex.EncodeToString(hasher.Sum(nil))
 	fileDesc1.Close()