{"meshConfig.defaultConfig.tracing.stackdriver.maxNumberOfMessageEvents", "Istio supported tracers", 0},
	}

	for _, d := range warningSettings {
		v, f, _ := tpath.GetFromStructPath(iop, d.old)
		if f {
			switch t := v.(type) {
			// need to do conversion for bool value defined in IstioOperator component spec.
			case *wrappers.BoolValue:
				v = t.Value
			}
			if v != d.def {