// Defer a panic recover, so that in case if panic we can still return
	// a proper error to the runtime.
	defer func() {
		if e := recover(); e != nil {
			msg := fmt.Sprintf("istio-cni panicked during cmdAdd: %v\n%v", e, string(debug.Stack()))
			if err != nil {
				// If we're recovering and there was also an error, then we need to
				// present both.
				msg = fmt.Sprintf("%s: %v", msg, err)
			}