fix self link error of generic resources in describe command

pkg/printers/internalversion/describe.go

@@ -224,7 +224,7 @@ func printUnstructuredContent(w PrefixWriter, level int, content map[string]inte
 			if slice.ContainsString(skip, skipExpr, nil) {
 				continue
 			}
-			w.Write(level, fmt.Sprintf("%s:\n", smartLabelFor(field)))
+			w.Write(level, "%s:\n", smartLabelFor(field))
 			printUnstructuredContent(w, level+1, typedValue, skipExpr, skip...)
 
 		case []interface{}:
@@ -232,13 +232,13 @@ func printUnstructuredContent(w PrefixWriter, level int, content map[string]inte
 			if slice.ContainsString(skip, skipExpr, nil) {
 				continue
 			}
-			w.Write(level, fmt.Sprintf("%s:\n", smartLabelFor(field)))
+			w.Write(level, "%s:\n", smartLabelFor(field))
 			for _, child := range typedValue {
 				switch typedChild := child.(type) {
 				case map[string]interface{}:
 					printUnstructuredContent(w, level+1, typedChild, skipExpr, skip...)
 				default:
-					w.Write(level+1, fmt.Sprintf("%v\n", typedChild))
+					w.Write(level+1, "%v\n", typedChild)
 				}
 			}
 
@@ -247,7 +247,7 @@ func printUnstructuredContent(w PrefixWriter, level int, content map[string]inte
 			if slice.ContainsString(skip, skipExpr, nil) {
 				continue
 			}
-			w.Write(level, fmt.Sprintf("%s:\t%v\n", smartLabelFor(field), typedValue))
+			w.Write(level, "%s:\t%v\n", smartLabelFor(field), typedValue)
 		}
 	}
 }