Deployed robot_update_9.30_HF4 to the primary hub. After robot restart it stayed offline and did not recover.
e controller.log error "Jul 13 13:08:47:423  0 Controller: Selecting robotip from configuration. config_robotip = X.X.X.X,
XXX robotip = X.X.X.X, local_ip_validation = 1,
validate_ip_suggestion = 0, strict_ip_binding = "
Release : 20.1
Component : UIM - INFRASTRUCTURE MANAGER
Hub robot was not accessible, corruption
Customer restored the hub robot files from back up to resolve issue
https://knowledge.broadcom.com/external/article/187285/hashes-md5-sha1-for-uim-201-dvd50000000.html. To check for software integrity before install