Allow modprobing from cinder-volume container
Allow modprobing from cinder-volume container

When using LVM/iSCSI backend, cinder-volume tries to modprobe configfs
module. We need the modules dir bind mounted for this to succeed.

Co-Authored-By: Gorka Eguileor <ee0ed48276a58f33f2c9747cf0166537141a770f@redhat.com>
Change-Id: I7bfeaa66915e663726acdf3458db80821fbd3d6b
Closes-Bug: #1701321

dprince/tripleo-heat-templates,dprince/tripleo-heat-templates,openstack/tripleo-heat-templates,openstack/tripleo-heat-templates