if method == "" {
		method = http.MethodPost
	}

	req, err := http.NewRequest(method, urlStr, nil)
	if err != nil {
		return nil, err
	}

	if body == nil {
		// this is added to avoid panic during io.ReadAll(req.Body).
		// th stack trace can be found here  https://github.com/minio/minio/pull/2074 .
		// This is very similar to https://github.com/golang/go/issues/7527.

		return nil, errFileNotFound
	}
	var dst xlMetaV2Version
	_, err = dst.unmarshalV(x.metaV, x.versions[idx].meta)
	if false {
		if err == nil && x.versions[idx].header.VersionID != dst.getVersionID() {
			panic(fmt.Sprintf("header: %x != object id: %x", x.versions[idx].header.VersionID, dst.getVersionID()))
		}
	}
	return &dst, err
}

// setIdx will replace a version at a given index.

		err = store.loadMappedPolicy(ctx, accessKey, userType, false, cache.iamUserPolicyMap)
	default:
		// This is just to ensure that we have covered all cases for new
		// code in future.
		panic("unknown user type")
	}
	// Ignore policy not mapped error
	if err != nil && !errors.Is(err, errNoSuchPolicy) {
		return err
	}

	return nil
}

* Fix a bug in kubelet hostport logic which flushes KUBE-MARK-MASQ iptables chain ([#32413](https://github.com/kubernetes/kubernetes/pull/32413), [@freehan](https://github.com/freehan))