Description of problem:
Collocated mds and osd container leads to deployment fail

Version-Release number of selected component (if applicable):
ceph-ansible 3.0.25
ceph_docker_image_tag: 2.5-4
also reproducible for:
ceph_docker_image_tag: 2.5-3
How reproducible:
100%

Steps to Reproduce:
1. Create configuration for containerized deployment with mds and osd container on same host
2.Start deployment

Workaround:
deploy osd and nds on different node

Actual results:
PLAY RECAP *********************************************************************
ceph-yshap-run903-node2-osdmon : ok=128  changed=17   unreachable=0    failed=0   
ceph-yshap-run903-node3-osdrgw : ok=133  changed=14   unreachable=0    failed=0   
ceph-yshap-run903-node4-osd : ok=69   changed=10   unreachable=0    failed=0   
ceph-yshap-run903-node5-monmds : ok=113  changed=14   unreachable=0    failed=0   
ceph-yshap-run903-node6-monrgw : ok=116  changed=13   unreachable=0    failed=0   
ceph-yshap-run903-node7-osdmds : ok=102  changed=11   unreachable=0    failed=1   

Expected results:
successful deployment

Additional info:
[root@ceph-yshap-run903-node1-installer ceph-ansible]# cat hosts 
[mons]
ceph-yshap-run903-node2-osdmon monitor_interface=eth0
ceph-yshap-run903-node5-monmds monitor_interface=eth0
ceph-yshap-run903-node6-monrgw monitor_interface=eth0
[osds]
ceph-yshap-run903-node3-osdrgw monitor_interface=eth0  devices='["/dev/vdb", "/dev/vdc", "/dev/vdd"]'
ceph-yshap-run903-node2-osdmon monitor_interface=eth0  devices='["/dev/vdb", "/dev/vdc", "/dev/vdd"]'
ceph-yshap-run903-node4-osd monitor_interface=eth0  devices='["/dev/vdb", "/dev/vdc", "/dev/vdd"]'
ceph-yshap-run903-node7-osdmds monitor_interface=eth0  devices='["/dev/vdb", "/dev/vdc", "/dev/vdd"]'
[mdss]
ceph-yshap-run903-node5-monmds monitor_interface=eth0
ceph-yshap-run903-node7-osdmds monitor_interface=eth0
[rgws]
ceph-yshap-run903-node3-osdrgw radosgw_interface=eth0
ceph-yshap-run903-node6-monrgw radosgw_interface=eth0

[root@ceph-yshap-run903-node1-installer ceph-ansible]# cat group_vars/all.yml
ceph_conf_overrides:
  global:
    mon_max_pg_per_osd: 1024
    osd_default_pool_size: 2
    osd_pool_default_pg_num: 64
    osd_pool_default_pgp_num: 64
  mon:
    mon_allow_pool_delete: true
ceph_docker_image: rhceph
ceph_docker_image_tag: 2.5-4
ceph_docker_registry: brew-pulp-docker01.web.prod.ext.phx2.redhat.com:8888
ceph_origin: distro
ceph_repository: rhcs
ceph_stable: true
ceph_stable_release: jewel
ceph_stable_rh_storage: true
ceph_test: true
containerized_deployment: true
copy_admin_key: true
dedicated_devices:
- /dev/vde
- /dev/vde
- /dev/vde
fetch_directory: ~/fetch
journal_size: 1024
osd_auto_discovery: false
osd_scenario: non-collocated
public_network: 172.16.0.0/12