Overcloud nodes are in ERROR status after upgrading OpenStack from 13 to 16.1

Issue

• After running the openstack overcloud upgrade converge finish with success, all the overcloud nodes in nova goes in ERROR status

(undercloud) [stack@undercloud ~]$ openstack server list
+--------------------------------------+--------------------------------+--------+-------------------------+----------------+---------------------+
| ID                                   | Name                           | Status | Networks                | Image          | Flavor              |
+--------------------------------------+--------------------------------+--------+-------------------------+----------------+---------------------+
| 180f9e9d-0b5a-4cce-acce-2abecc5fea0f | overcloud-controller-1         | ERROR  | ctlplane=192.168.21.110 | overcloud-full | control             |
| cce81598-42c3-4ca1-88f3-43f0582dc9ad | overcloud-novacompute-1        | ERROR  | ctlplane=192.168.21.109 | overcloud-full | compute             |
| 4f67650f-e14f-4906-8026-510b9c45a77e | overcloud-controller-2         | ERROR  | ctlplane=192.168.21.104 | overcloud-full | control             |
| e82cf13e-437f-44d3-a9b4-bf7e6559b68c | overcloud-controller-0         | ERROR  | ctlplane=192.168.21.123 | overcloud-full | control             |
| 29fddb6f-72f6-4fd9-ad98-1e24f606c85b | overcloud-novacompute-0        | ERROR  | ctlplane=192.168.21.106 | overcloud-full | compute             |
+--------------------------------------+--------------------------------+--------+-------------------------+----------------+---------------------+