We randomly see some alarms getting past nas and into the console even though the devices are in maintenance mode.
Release : 20.4
Run raw configure on the nas probe and set the following under 'setup':
maint_max_resp_time = 50
registrationIntervalLookAheadMinutes = 60
Run raw configure on the ems probe and set the following under 'setup':
maintenance_mode_cmd_timeout = 300000