if len(dns.ImageRepository) > 0 {
		allErrs = append(allErrs, ValidateImageRepository(dns.ImageRepository, fldPath.Child("imageRepository"))...)
	}

	return allErrs
}

// ValidateNetworking validates networking configuration
func ValidateNetworking(c *kubeadm.ClusterConfiguration, fldPath *field.Path) field.ErrorList {
	allErrs := field.ErrorList{}
	dnsDomainFldPath := fldPath.Child("dnsDomain")