sl-api failed to start devstack/ocata

Hi Senlin Team,

Here my devstack with ocata setup local.conf file

[[local|localrc]]
#RECLONE=True
#HOST_IP=127.0.0.1
#Enable senlin
enable_plugin senlin https://git.openstack.org/openstack/senlin
#Enable senlin-dashboard
enable_plugin senlin-dashboard https://git.openstack.org/openstack/senlin-dashboard
#Enable heat plugin
enable_plugin heat https://git.openstack.org/openstack/heat stable/ocata

#devstack to use aodh and ceilometer
CEILOMETER_BACKEND=mongodb
enable_plugin ceilometer https://git.openstack.org/openstack/ceilometer stable/ocata
#enable_plugin aodh https://git.openstack.org/openstack/aodh stable/ocata

# gnocchi
enable_plugin gnocchi https://github.com/openstack/gnocchi master
#enable_service gnocchi-api,gnocchi-metricd

#For LBAAS
#enable_plugin neutron-lbaas https://github.com/openstack/neutron-lbaas stable/ocata
#enable_plugin octavia https://git.openstack.org/openstack/octavia stable/ocata
# For LBaaS V2
#ENABLED_SERVICES+=,q-lbaasv2
#ENABLED_SERVICES+=,octavia,o-cw,o-hk,o-hm,o-api

#disable_service n-net c-api c-sch c-vol
#enable_service q-svc q-agt q-dhcp q-l3 q-meta q-lbaasv2

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While doing cloning it get stuck with error as sl-api failed to start, sl-engine failed to start ?