},
		{ // logger name invalid when namespacing is used improperly
			execClientConfig: loggingConfig,
			args:             strings.Split("log ztunnel-9v7nw --level ztunnel:::pool:debug", " "),
			expectedString:   "unrecognized logging level: pool:debug",
			wantException:    true,
		},
		{ // logger name valid and logging level valid
			execClientConfig: loggingConfig,

	}
	return profileDiffInternal(args[0], args[1], setFlags, cmd.OutOrStdout(), l)
}

func profileDiffInternal(profileA, profileB string, setFlags []string, writer io.Writer, l clog.Logger) (bool, error) {
	a, _, err := manifest.GenIOPFromProfile(profileA, "", setFlags, true, true, nil, l)
	if err != nil {
		return false, fmt.Errorf("could not read %q: %v", profileA, err)
	}

	cmd.PersistentFlags().StringVar(&loggerLevelString, "level", loggerLevelString,
		fmt.Sprintf("Comma-separated minimum per-logger level of messages to output, in the form of"+
			" [<logger>:]<level>,[<logger>:]<level>,... or <level> to change all active loggers, "+
			"where logger components can be listed by running \"istioctl x ztunnel-config log <pod-name[.namespace]>\""+
			", and level can be one of %s", levelListString))

import "testing"

func TestOpenNetns(t *testing.T) {
	ns, err := OpenNetns("/proc/self/ns/net")
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	// the inode for netns is proc dynamic, so it needs to be higher than
	// #define PROC_DYNAMIC_FIRST 0xF0000000U

	if ns.Inode() < 0xF0000000 {
		t.Fatalf("unexpected inode: %v", ns.Inode())
	}
	defer ns.Close()

// If the K8s version is not at least the `MinK8SVersion`, it logs a message warning the user that they
// may experience problems if they proceed with the install.
func IsK8VersionSupported(c kube.Client, l clog.Logger) error {
	serverVersion, err := c.GetKubernetesVersion()
	if err != nil {
		return fmt.Errorf("error getting Kubernetes version: %w", err)
	}
	if !kube.IsAtLeastVersion(c, MinK8SVersion) {