[HUAWEI]hwc30117684, Huawei Cloud (CN-Hong Kong) will upgrade networks on April 17, 2022, from 00:00 to 06:00 (GMT+08:00). There may be 3 disconnections, each lasting less than 10 seconds. Please prepare in advance and do not perform vital operations during the upgrade. If you have any questions, submit a service ticket. For details, check the Huawei Cloud website.