logging: linter fixes

.golangci.yml

@@ -343,11 +343,6 @@ linters:
       skip-single-param: true
 
     mnd:
-      # List of function patterns to exclude from analysis.
-      # Values always ignored: `time.Date`,
-      # `strconv.FormatInt`, `strconv.FormatUint`, `strconv.FormatFloat`,
-      # `strconv.ParseInt`, `strconv.ParseUint`, `strconv.ParseFloat`.
-      # Default: []
       ignored-functions:
         - args.Error
         - flag.Arg
@@ -451,6 +446,8 @@ linters:
         linters: [ testpackage ]
       - path: 'dbg/dbg_test.go'
         linters: [ testpackage ]
+      - path: 'logging/example_test.go'
+        linters: [ testableexamples ]
       - source: 'TODO'
         linters: [ godot ]
       - text: 'should have a package comment'