Merge pull request #69624 from bart0sh/PR0029-kubeadm-token-mix-config-with-print-join-command

cmd/kubeadm/app/apis/kubeadm/validation/validation.go

@@ -380,7 +380,7 @@ func ValidateMixedArguments(flag *pflag.FlagSet) error {
 
 	mixedInvalidFlags := []string{}
 	flag.Visit(func(f *pflag.Flag) {
-		if f.Name == "config" || f.Name == "ignore-preflight-errors" || strings.HasPrefix(f.Name, "skip-") || f.Name == "dry-run" || f.Name == "kubeconfig" || f.Name == "v" || f.Name == "rootfs" {
+		if f.Name == "config" || f.Name == "ignore-preflight-errors" || strings.HasPrefix(f.Name, "skip-") || f.Name == "dry-run" || f.Name == "kubeconfig" || f.Name == "v" || f.Name == "rootfs" || f.Name == "print-join-command" {
 			// "--skip-*" flags or other whitelisted flags can be set with --config
 			return
 		}