stat := make(map[string]madmin.ItemState, len(c.endpoints))
	resp, err := c.client.Version(ctx, &kms.VersionRequest{})

	for _, r := range resp {
		stat[r.Host] = madmin.ItemOnline
	}
	for _, e := range kms.UnwrapHostErrors(err) {
		stat[e.Host] = madmin.ItemOffline
	}
	return stat, nil
}

func (c *kmsConn) ListKeys(ctx context.Context, req *ListRequest) ([]madmin.KMSKeyInfo, string, error) {