ceph-mon: remove hardcoded ipv4 in containers
ceph-mon: remove hardcoded ipv4 in containers

Before this commit we were forcing ipv4 which might not be available.
Now setting ip_version to ipv4 or ipv6 will give you the right support.

Closes: https://bugzilla.redhat.com/show_bug.cgi?id=1484189
Signed-off-by: Sébastien Han <62d754cc350e84d3b1c32ae79f976f5348e74a40@redhat.com>

ceph/ceph-ansible,travmi/ceph-ansible,jtaleric/ceph-ansible,bengland2/ceph-ansible,ceph/ceph-ansible,travmi/ceph-ansible,fgal/ceph-ansible,fgal/ceph-ansible,font/ceph-ansible,jtaleric/ceph-ansible,bengland2/ceph-ansible,font/ceph-ansible