Missing condition if component to be created already exist.

[epcim]

Creation of guest user, vhost fails if it exists. Issue appear on 2nd and additional run of the formula state.

Please confirm as a bug first or explanation.

----------
          ID: rabbitmq_vhost_/openstack
    Function: rabbitmq_vhost.present
        Name: /openstack
      Result: False
     Comment: Creating vhost "/openstack" ...
              Error: vhost_already_exists: /openstack
     Started: 13:22:49.768614
    Duration: 4428.495 ms
     Changes:   
----------
          ID: rabbitmq_user_openstack
    Function: rabbitmq_user.present
        Name: openstack
      Result: False
     Comment: One or more requisite failed: rabbitmq.server.vhost.rabbitmq_vhost_/openstack
     Started: 
    Duration: 
     Changes:   
----------
          ID: rabbitmq_policy_/openstack_HA
    Function: rabbitmq_policy.present
        Name: HA
      Result: True
     Comment: Setting policy "HA" for pattern "^(?!amq\\.).*" to "{\"ha-mode\": \"all\", \"message-ttl\": 120000}" with priority "0" ...
     Started: 13:22:54.230224
    Duration: 6098.298 ms
     Changes:   
              ----------
              new:
                  None
              old:
----------
          ID: rabbitmq_user_guest
    Function: rabbitmq_user.present
        Name: guest
      Result: False
     Comment: Creating user "guest" ...
              Error: user_already_exists: guest
     Started: 13:23:00.329836
    Duration: 9549.822 ms
     Changes:   
----------

[fpytloun]

I believe this is known bug where Salt's rabbitmq module won't determine if user or vhost already exists and is trying to create it again.
What's the salt version?