Comment 2 for bug 1867358

I'm able to reproduce this with a fairly minimal bundle:

series: bionic
variables:
  origin: &origin cloud:bionic-stein
applications:
  mysql:
    charm: cs:percona-cluster
    num_units: 1
    options:
      source: *origin
  rabbitmq-server:
    charm: cs:rabbitmq-server
    num_units: 1
    options:
      source: *origin
  keystone:
    charm: cs:keystone
    num_units: 1
    options:
      openstack-origin: *origin
  manila:
    charm: cs:manila
    num_units: 3
    options:
      openstack-origin: *origin
      vip: 10.5.110.241
      default-share-backend: generic
  manila-generic:
    charm: cs:~openstack-charmers/manila-generic
    options:
      openstack-origin: *origin
      driver-handles-share-servers: False
  manila-hacluster:
    charm: cs:hacluster
relations:
  - [ keystone, manila ]
  - [ keystone, mysql:shared-db ]
  - [ manila:manila-plugin, manila-generic]
  - [ manila, manila-hacluster ]
  - [ manila, mysql:shared-db ]
  - [ manila, rabbitmq-server ]

Model Controller Cloud/Region Version SLA Timestamp
icey icey-serverstack serverstack/serverstack 2.7.3 unsupported 09:58:33Z

App Version Status Scale Charm Store Rev OS Notes
keystone 15.0.0 active 1 keystone jujucharms 310 ubuntu
manila 8.0.0 blocked 3 manila jujucharms 17 ubuntu
manila-generic 8.0.0 active 3 manila-generic jujucharms 25 ubuntu
manila-hacluster active 3 hacluster jujucharms 64 ubuntu
mysql 5.7.20 active 1 percona-cluster jujucharms 284 ubuntu
rabbitmq-server 3.6.10 active 1 rabbitmq-server jujucharms 99 ubuntu

Unit Workload Agent Machine Public address Ports Message
keystone/0* active idle 0 10.5.0.6 5000/tcp Unit is ready
manila/0* blocked idle 1 10.5.0.4 8786/tcp Ports which should be open, but are not: 8776
  manila-generic/0* active idle 10.5.0.4 Unit is ready
  manila-hacluster/0* active idle 10.5.0.4 Unit is ready and clustered
manila/1 blocked idle 2 10.5.0.7 8786/tcp Ports which should be open, but are not: 8776
  manila-generic/1 active idle 10.5.0.7 Unit is ready
  manila-hacluster/1 active idle 10.5.0.7 Unit is ready and clustered
manila/2 blocked idle 3 10.5.0.12 8786/tcp Ports which should be open, but are not: 8776
  manila-generic/2 active idle 10.5.0.12 Unit is ready
  manila-hacluster/2 active idle 10.5.0.12 Unit is ready and clustered
mysql/0* active idle 4 10.5.0.19 3306/tcp Unit is ready
rabbitmq-server/0* active idle 5 10.5.0.16 5672/tcp Unit is ready

Machine State DNS Inst id Series AZ Message
0 started 10.5.0.6 8cec7f3e-6141-43fc-8c65-d629014e7a8c bionic nova ACTIVE
1 started 10.5.0.4 06b27816-8b97-49fb-afb1-948009a4f2f5 bionic nova ACTIVE
2 started 10.5.0.7 fd3b31e1-b448-4530-8f82-92e2478751bc bionic nova ACTIVE
3 started 10.5.0.12 d1488db9-c56e-4bc4-9caf-2a279e34088a bionic nova ACTIVE
4 started 10.5.0.19 00323d99-0633-487f-aa3b-bd993a505733 bionic nova ACTIVE
5 started 10.5.0.16 aa113bdc-bccf-4e95-95f7-505918709a9d bionic nova ACTIVE