hulk inclusion
category: bugfix
bugzilla: 14212
CVE: NA

Only add a new domain to domain list, don't care about exist domain
node.
Signed-off-by: NXie XiuQi <xiexiuqi@huawei.com>
Reviewed-by: NHanjun Guo <guohanjun@huawei.com>
Signed-off-by: NYang Yingliang <yangyingliang@huawei.com>