if probe == nil {
		return allErrs
	}
	allErrs = append(allErrs, validateProbe(probe, gracePeriod, fldPath)...)
	if probe.SuccessThreshold != 1 {
		allErrs = append(allErrs, field.Invalid(fldPath.Child("successThreshold"), probe.SuccessThreshold, "must be 1"))
	}
	return allErrs
}

func validateProbe(probe *core.Probe, gracePeriod int64, fldPath *field.Path) field.ErrorList {