ISSU: After Finalize UI Dashboard / Uve's doesnot show vrouter

After ISSU Finalize, UI Dashboard shows vrouters as zero, same with UVE's

curl -X GET -H "X-Auth-Token: $TOKEN" -H "Content-Type: application/json; charset=UTF-8" http://10.87.66.161:8081/analytics/uves/vrouters | python -m json.tool
  % Total % Received % Xferd Average Speed Time Time Time Current
                                 Dload Upload Total Spent Left Speed
  0 2 0 2 0 0 6 0 --:--:-- --:--:-- --:--:-- 6
[]
[root@appl-esx01-vin01 ntt1]# curl -X GET -H "X-Auth-Token: $TOKEN" -H "Content-Type: application/json; charset=UTF-8" http://10.87.66.162:8081/analytics/uves/vrouters | python -m json.tool
  % Total % Received % Xferd Average Speed Time Time Time Current
                                 Dload Upload Total Spent Left Speed
  0 2 0 2 0 0 62 0 --:--:-- --:--:-- --:--:-- 66
[]
[root@appl-esx01-vin01 ntt1]# curl -X GET -H "X-Auth-Token: $TOKEN" -H "Content-Type: application/json; charset=UTF-8" http://10.87.66.163:8081/analytics/uves/vrouters | python -m json.tool
  % Total % Received % Xferd Average Speed Time Time Time Current
                                 Dload Upload Total Spent Left Speed
  0 2 0 2 0 0 6 0 --:--:-- --:--:-- --:--:-- 6
[]

[root@appl-esx01-vin01 ntt1]# curl -X GET -H "X-Auth-Token: $TOKEN" -H "Content-Type: application/json; charset=UTF-8" http://10.87.66.161:8081/analytics/uves/virtual-machines | python -m json.tool
  % Total % Received % Xferd Average Speed Time Time Time Current
                                 Dload Upload Total Spent Left Speed
  0 2 0 2 0 0 22 0 --:--:-- --:--:-- --:--:-- 22
[]
[root@appl-esx01-vin01 ntt1]# curl -X GET -H "X-Auth-Token: $TOKEN" -H "Content-Type: application/json; charset=UTF-8" http://10.87.66.161:8081/analytics/uves/virtual-machine-interfaces | python -m json.tool
  % Total % Received % Xferd Average Speed Time Time Time Current
                                 Dload Upload Total Spent Left Speed
  0 2 0 2 0 0 2 0 --:--:-- --:--:-- --:--:-- 2
[]

cat /etc/contrail/contrail-vrouter-agent.conf | grep coll
# IP address and port to be used to connect to collector. If these are not
# collectors=127.0.0.1:8086
collectors=172.17.90.8:8086 172.17.90.9:8086

Version :
V1:2.21.3-57~juno
V2:3.1.2.0-69~mitaka