code: func validateNodeConfigStatus(status *core.NodeConfigStatus, fldPath *field.Path) field.ErrorList {
  	allErrs := field.ErrorList{}
  	if status.Assigned != nil {
  		allErrs = append(allErrs, validateNodeConfigSourceStatus(status.Assigned, fldPath.Child("assigned"))...)
  	}
  	if status.Active != nil {
  		allErrs = append(allErrs, validateNodeConfigSourceStatus(status.Active, fldPath.Child("active"))...)
  	}
  	if status.LastKnownGood != nil {
  		allErrs = append(allErrs, validateNodeConfigSourceStatus(status.LastKnownGood, fldPath.Child("lastKnownGood"))...)
  	}
  	return allErrs
  }
docs: // validation specififc to Node.Status.Config