Log debug on etcd if $ENABLE_DEBUG_LOG_LEVEL is on
Log debug on etcd if $ENABLE_DEBUG_LOG_LEVEL is on

Change-Id: I452a2e4882377d165e3c28fcec18e237e45db8a4

nawawi/openstack,openstack-dev/devstack,dtroyer/devstack,nawawi/openstack,openstack-dev/devstack,dtroyer/devstack