Merge pull request #45308 from fabianofranz/more_cmd_sanity_checks

Automatic merge from submit-queue (batch tested with PRs 46022, 46055, 45308, 46209, 43590)

More cli sanity verifications

Adds some more `kubectl` command sanity checks to improve consistency and avoid the need of code reviews for some of our CLI style and standards.

**Release note**:

```release-note
NONE
```
@kubernetes/sig-cli-pr-reviews

hack/verify-cli-conventions.sh

@@ -32,9 +32,12 @@ clicheck=$(kube::util::find-binary "clicheck")
 
 if ! output=`$clicheck 2>&1`
 then
-	echo "FAILURE: CLI is not following one or more required conventions:"
 	echo "$output"
+	echo
+	echo "FAILURE: CLI is not following one or more required conventions."
 	exit 1
 else
+	echo "$output"
+	echo
   echo "SUCCESS: CLI is following all tested conventions."
 fi