}
	if !validOS.Has(os.Name) {
		allErrs = append(allErrs, field.NotSupported(fldPath, os.Name, sets.List(validOS)))
	}
	return allErrs
}

func ValidatePodLogOptions(opts *core.PodLogOptions) field.ErrorList {
	allErrs := field.ErrorList{}
	if opts.TailLines != nil && *opts.TailLines < 0 {