Failure on katello-service restart with "module passenger_module is already loaded" warning

Issue

• Failure on katello-service restart with "module passenger_module is already loaded" warning
• Restart of satellite services results in "[warn] module passenger_module is already loaded, skipping"
• Starting httpd failed on katello-service restart

[root@client ~]# katello-service start
Starting mongod:                           [  OK  ]
Waiting for mongod to become available:    [  OK  ]
Starting qdrouterd services:               [  OK  ]
Starting Qpid AMQP daemon:                 [  OK  ]
Starting foreman-proxy:                    [  OK  ]
Starting elasticsearch:                    [  OK  ]

celery multi v3.1.11 (Cipater)
        > resource_manager@client.example.com: OK
celery init v10.0.
Using config script: /etc/default/pulp_resource_manager
celery init v10.0.
Using configuration: /etc/default/pulp_workers, /etc/default/pulp_celerybeat
Starting pulp_celerybeat...

Starting tomcat6:                          [  OK  ]
celery multi v3.1.11 (Cipater)
        > reserved_resource_worker-0@client.example.com: OK
        > reserved_resource_worker-1@client.ecample.com: OK
celery init v10.0.

Using config script: /etc/default/pulp_workers
[Mon Feb 22 17:00:47 2016] [warn] module passenger_module is already loaded, skipping
(98)Address already in use: make_sock: could not bind to address 0.0.0.0:8140
no listening sockets available, shutting down

Unable to open logs
Starting httpd:                            [FAILED]
Starting foreman-tasks:                    [  OK  ]
Some services failed to start: httpd