In diagnostics there are list of Active alarms seen which doesn't get cleared even if the connections came up.

Active Application Alarm Status
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id=1000 sub_id=3002 event_host=lb02 status=down date=2018-03-01,08:09:52,436+0000 msg="3002:Realm: pcrf.server.cisco.com:applicationId: 16777238:all peers are down"
id=1000 sub_id=3001 event_host=lb01 status=down date=2018-03-01,10:38:28,528+0000 msg="3001:Host: pcef-client-2 Realm: pcef.client.cisco.com is down"
id=1000 sub_id=3501 event_host=lb01 status=down date=2018-03-01,08:09:23,026+0000 msg="ZMQ Connection Down for tcp://172.20.36.62:29003"
id=1000 sub_id=3501 event_host=lb01 status=down date=2018-03-01,08:09:19,581+0000 msg="ZMQ Connection Down for tcp://172.20.36.62:29001"
id=1000 sub_id=3501 event_host=lb01 status=down date=2018-03-01,08:09:19,805+0000 msg="ZMQ Connection Down for tcp://172.20.36.62:29002"
id=1000 sub_id=3001 event_host=lb02 status=down date=2018-03-01,10:38:35,455+0000 msg="3001:Host: pcef-client-3 Realm: pcef.client.cisco.com is down"
id=1000 sub_id=3001 event_host=lb01 status=down date=2018-03-01,10:38:37,374+0000 msg="3001:Host: pcef-client-4 Realm: pcef.client.cisco.com is down"
id=1000 sub_id=3001 event_host=lb01 status=down date=2018-03-01,10:39:05,565+0000 msg="3001:Host: cscf-client-2 Realm: cscf.client.cisco.com is down"
id=1000 sub_id=3001 event_host=lb02 status=down date=2018-03-01,10:38:58,702+0000 msg="3001:Host: cscf-client-1 Realm: cscf.client.cisco.com is down"
id=1000 sub_id=3001 event_host=lb02 status=down date=2018-03-01,08:09:52,496+0000 msg="3001:Host: tdf-client-1 Realm: tdf.client.cisco.com is down"
id=1000 sub_id=3001 event_host=lb01 status=down date=2018-03-01,10:39:13,676+0000 msg="3001:Host: cscf-client-3 Realm: cscf.client.cisco.com is down"

Active Component Alarm Status

Symptom:
In diagnostics there are list of Active alarms seen which doesn't get cleared even if the connections came up.

Conditions:
During the LB VIP movement during the ISSU, the active alarms were seen.