Deployment fails when multibackend is enabled

MOS 8.0
Plugin: cinder_netapp 4.1.1

How to reproduced:
1. Configure environment with the following parameters:
1.1 Cinder LVM over iSCSI for volumes - Enable
1.2 Cinder and NetApp integration - Enable
1.3 Enable Multibackend for NetApp plugin
1.4 NetApp Storage Family - Clustered Data ONTAP
1.5 NetApp Storage Protocol - NFS
1.6 Transport Type - https

Below the puppet log from controller node:
2016-07-12 21:12:56 +0000 /Stage[main]/Main/Create_cinder_types[netapp]/Cinder::Type[netapp]/Exec[cinder type-create netapp]/returns (err): change from notrun to 0 failed: cinder type-create netapp returned 1 instead of one of [0]
2016-07-12 21:12:56 +0000 /Stage[main]/Main/Create_cinder_types[netapp]/Cinder::Type[netapp]/Exec[cinder type-create netapp] (info): Evaluated in 11.32 seconds
2016-07-12 21:12:56 +0000 /Stage[main]/Main/Create_cinder_types[volumes_lvm]/Cinder::Type[volumes_lvm]/Exec[cinder type-create volumes_lvm] (info): Starting to evaluate the resource
2016-07-12 21:12:56 +0000 Exec[cinder type-create volumes_lvm](provider=posix) (debug): Executing check 'cinder type-list | grep -qP '\bvolumes_lvm\b''
2016-07-12 21:12:56 +0000 Puppet (debug): Executing 'cinder type-list | grep -qP '\bvolumes_lvm\b''
2016-07-12 21:12:57 +0000 /Stage[main]/Main/Create_cinder_types[volumes_lvm]/Cinder::Type[volumes_lvm]/Exec[cinder type-create volumes_lvm]/unless (debug): ERROR: Service Unavailable (HTTP 503)
2016-07-12 21:12:57 +0000 /Stage[main]/Main/Create_cinder_types[volumes_lvm]/Cinder::Type[volumes_lvm]/Exec[cinder type-create volumes_lvm]/returns (debug): Exec try 1/2
2016-07-12 21:12:57 +0000 Exec[cinder type-create volumes_lvm](provider=posix) (debug): Executing 'cinder type-create volumes_lvm'
2016-07-12 21:12:57 +0000 Puppet (debug): Executing 'cinder type-create volumes_lvm'
2016-07-12 21:12:57 +0000 /Stage[main]/Main/Create_cinder_types[volumes_lvm]/Cinder::Type[volumes_lvm]/Exec[cinder type-create volumes_lvm]/returns (debug): Sleeping for 5.0 seconds between tries
2016-07-12 21:13:02 +0000 /Stage[main]/Main/Create_cinder_types[volumes_lvm]/Cinder::Type[volumes_lvm]/Exec[cinder type-create volumes_lvm]/returns (debug): Exec try 2/2
2016-07-12 21:13:02 +0000 Exec[cinder type-create volumes_lvm](provider=posix) (debug): Executing 'cinder type-create volumes_lvm'
2016-07-12 21:13:02 +0000 Puppet (debug): Executing 'cinder type-create volumes_lvm'
2016-07-12 21:13:02 +0000 /Stage[main]/Main/Create_cinder_types[volumes_lvm]/Cinder::Type[volumes_lvm]/Exec[cinder type-create volumes_lvm]/returns (debug): Sleeping for 5.0 seconds between tries
2016-07-12 21:13:07 +0000 /Stage[main]/Main/Create_cinder_types[volumes_lvm]/Cinder::Type[volumes_lvm]/Exec[cinder type-create volumes_lvm]/returns (notice): ERROR: Service Unavailable (HTTP 503)
2016-07-12 21:13:07 +0000 Puppet (err): cinder type-create volumes_lvm returned 1 instead of one of [0]
/usr/lib/ruby/vendor_ruby/puppet/util/errors.rb:106:in `fail'
/usr/lib/ruby/vendor_ruby/puppet/type/exec.rb:160:in `sync'
/usr/lib/ruby/vendor_ruby/puppet/transaction/resource_harness.rb:204:in `sync'
/usr/lib/ruby/vendor_ruby/puppet/transaction/resource_harness.rb:128:in `sync_if_needed'
/usr/lib/ruby/vendor_ruby/puppet/transaction/resource_harness.rb:89:in `block in perform_changes'
/usr/lib/ruby/vendor_ruby/puppet/transaction/resource_harness.rb:88:in `each'
/usr/lib/ruby/vendor_ruby/puppet/transaction/resource_harness.rb:88:in `perform_changes'
/usr/lib/ruby/vendor_ruby/puppet/transaction/resource_harness.rb:20:in `evaluate'
/usr/lib/ruby/vendor_ruby/puppet/transaction.rb:204:in `apply'
/usr/lib/ruby/vendor_ruby/puppet/transaction.rb:217:in `eval_resource'
/usr/lib/ruby/vendor_ruby/puppet/transaction.rb:147:in `call'
/usr/lib/ruby/vendor_ruby/puppet/transaction.rb:147:in `block (2 levels) in evaluate'
/usr/lib/ruby/vendor_ruby/puppet/util.rb:335:in `block in thinmark'
/usr/lib/ruby/1.9.1/benchmark.rb:295:in `realtime'
/usr/lib/ruby/vendor_ruby/puppet/util.rb:334:in `thinmark'
/usr/lib/ruby/vendor_ruby/puppet/transaction.rb:147:in `block in evaluate'
/usr/lib/ruby/vendor_ruby/puppet/graph/relationship_graph.rb:118:in `traverse'
/usr/lib/ruby/vendor_ruby/puppet/transaction.rb:138:in `evaluate'
/usr/lib/ruby/vendor_ruby/puppet/resource/catalog.rb:169:in `block in apply'
/usr/lib/ruby/vendor_ruby/puppet/util/log.rb:149:in `with_destination'
/usr/lib/ruby/vendor_ruby/puppet/transaction/report.rb:112:in `as_logging_destination'
/usr/lib/ruby/vendor_ruby/puppet/resource/catalog.rb:168:in `apply'
/usr/lib/ruby/vendor_ruby/puppet/configurer.rb:120:in `block in apply_catalog'
/usr/lib/ruby/vendor_ruby/puppet/util.rb:161:in `block in benchmark'
/usr/lib/ruby/1.9.1/benchmark.rb:295:in `realtime'
/usr/lib/ruby/vendor_ruby/puppet/util.rb:160:in `benchmark'
/usr/lib/ruby/vendor_ruby/puppet/configurer.rb:119:in `apply_catalog'
/usr/lib/ruby/vendor_ruby/puppet/configurer.rb:227:in `run_internal'
/usr/lib/ruby/vendor_ruby/puppet/configurer.rb:134:in `block in run'
/usr/lib/ruby/vendor_ruby/puppet/context.rb:64:in `override'
/usr/lib/ruby/vendor_ruby/puppet.rb:244:in `override'
/usr/lib/ruby/vendor_ruby/puppet/configurer.rb:133:in `run'
/usr/lib/ruby/vendor_ruby/puppet/application/apply.rb:302:in `apply_catalog'
/usr/lib/ruby/vendor_ruby/puppet/application/apply.rb:236:in `block in main'
/usr/lib/ruby/vendor_ruby/puppet/context.rb:64:in `override'
/usr/lib/ruby/vendor_ruby/puppet.rb:244:in `override'
/usr/lib/ruby/vendor_ruby/puppet/application/apply.rb:198:in `main'
/usr/lib/ruby/vendor_ruby/puppet/application/apply.rb:159:in `run_command'
/usr/lib/ruby/vendor_ruby/puppet/application.rb:381:in `block (2 levels) in run'
/usr/lib/ruby/vendor_ruby/puppet/application.rb:507:in `plugin_hook'
/usr/lib/ruby/vendor_ruby/puppet/application.rb:381:in `block in run'
/usr/lib/ruby/vendor_ruby/puppet/util.rb:496:in `exit_on_fail'
/usr/lib/ruby/vendor_ruby/puppet/application.rb:381:in `run'
/usr/lib/ruby/vendor_ruby/puppet/util/command_line.rb:146:in `run'
/usr/lib/ruby/vendor_ruby/puppet/util/command_line.rb:92:in `execute'
/usr/bin/puppet:8:in `<main>'
2016-07-12 21:13:07 +0000 /Stage[main]/Main/Create_cinder_types[volumes_lvm]/Cinder::Type[volumes_lvm]/Exec[cinder type-create volumes_lvm]/returns (err): change from notrun to 0 failed: cinder type-create volumes_lvm returned 1 instead of one of [0]
2016-07-12 21:13:07 +0000 /Stage[main]/Main/Create_cinder_types[volumes_lvm]/Cinder::Type[volumes_lvm]/Exec[cinder type-create volumes_lvm] (info): Evaluated in 11.43 seconds
2016-07-12 21:13:07 +0000 Cinder::Type_set[LVM-backend] (info): Starting to evaluate the resource
2016-07-12 21:13:07 +0000 Cinder::Type_set[LVM-backend] (info): Evaluated in 0.00 seconds
2016-07-12 21:13:07 +0000 /Stage[main]/Main/Create_cinder_types[volumes_lvm]/Cinder::Type[volumes_lvm]/Cinder::Type_set[LVM-backend]/Exec[cinder type-key volumes_lvm set volume_backend_name=LVM-backend] (info): Starting to evaluate the resource
2016-07-12 21:13:07 +0000 /Stage[main]/Main/Create_cinder_types[volumes_lvm]/Cinder::Type[volumes_lvm]/Cinder::Type_set[LVM-backend]/Exec[cinder type-key volumes_lvm set volume_backend_name=LVM-backend] (notice): Dependency Exec[cinder type-create volumes_lvm] has failures: true
2016-07-12 21:13:07 +0000 /Stage[main]/Main/Create_cinder_types[volumes_lvm]/Cinder::Type[volumes_lvm]/Cinder::Type_set[LVM-backend]/Exec[cinder type-key volumes_lvm set volume_backend_name=LVM-backend] (warning): Skipping because of failed dependencies
2016-07-12 21:13:07 +0000 /Stage[main]/Main/Create_cinder_types[volumes_lvm]/Cinder::Type[volumes_lvm]/Cinder::Type_set[LVM-backend]/Exec[cinder type-key volumes_lvm set volume_backend_name=LVM-backend] (info): Evaluated in 0.00 seconds