[HCI-VN] 680 rolling upgrade to 691 reports an error and fails to perform router Live Migration
Problem Description
680 rolling upgrade to 691 error execution router Live Migration failed

Root Cause
The patch versions of 680/680R1/680R2 include changes to the MP service and upgrade scripts, but the official version 691 does not include these changes. When all patch versions are rolled over to 691, the script has not been replaced with the 691 package. The patch version script (including the vrrp interface call logic) is used, but the MP service has been replaced with the 691 version (excluding the vrrp interface), so the call reports an error.
Solution
Cancel rolling upgrade and use fast upgrade

Original Link
https://support.sangfor.com.cn/cases/list?product_id=33&type=1&category_id=27444&isOpen=true