Deploy failed for Error while talking to proxy. Details: string indices must be integers

Steps to reproduce:
1. Fuel 6.1 Master Node, deploy as VM on vsphere.
2. Create MOS env and select Cent OS deployment.
3. Add 3 nodes with controller role created by vSphere VMs
4. Add 2 nodes with compute role created by vSphere VMs
5. Select Neutron GRE network topology
6. Run network verification
7. Deploy the cluster

docker-nailgun.log, full log see attached file.

2015-10-29 10:19:55,749 DEBG 'oswl_image_collectord' stdout output:^M
2015-10-29 10:19:55.749 ERROR [7fdab5b9f700] (collector) Cannot collect OSWL resource image for cluster with id 1. Details: No online controllers could be found for cluster with id 1.^M
^M
2015-10-29 10:19:56,256 DEBG 'oswl_vm_collectord' stdout output:^M
2015-10-29 10:19:56.256 ERROR [7fa5ef771700] (utils) Error while talking to proxy. Details: string indices must be integers^M
Traceback (most recent call last):^M
  File "/usr/lib/python2.6/site-packages/nailgun/statistics/utils.py", line 127, in set_proxy^M
    yield^M
  File "/usr/lib/python2.6/site-packages/nailgun/statistics/oswl/collector.py", line 65, in collect^M
    client_provider, resource_type)^M
  File "/usr/lib/python2.6/site-packages/nailgun/statistics/oswl/helpers.py", line 180, in get_info_from_os_resource_manager^M
    additional_display_options^M
  File "/usr/lib/python2.6/site-packages/nailgun/statistics/oswl/helpers.py", line 202, in _get_data_from_resource_manager^M
    rule.path, rule.transform_func, obj_dict^M
  File "/usr/lib/python2.6/site-packages/nailgun/statistics/utils.py", line 84, in get_attr_value^M
    attrs = attrs[p]^M
TypeError: string indices must be integers^M
2015-10-29 10:19:56.256 INFO [7fa5ef771700] (utils) Deleting set http_proxy environment variable^M
^M
2015-10-29 10:19:57,071 DEBG 'oswl_image_collectord' stdout output:^M
2015-10-29 10:19:57.071 INFO [7fdab5b9f700] (utils) Deleting set http_proxy environment variable^M
^M
2015-10-29 10:21:57,582 DEBG 'receiverd' stdout output:^M
2015-10-29 10:21:57.582 INFO [7f5280504700] (receiver) RPC method deploy_resp received: {"task_uuid": "c78edd65-c9ed-4e75-bc73-a9a700805c5d", "nodes": [{"status": "deploying", "progress": 4, "task": {"priority": 1800, "type": "puppet", "uids": ["69"], "parameters": {"puppet_modules": "/etc/puppet/modules", "puppet_manifest": "/etc/puppet/modules/osnailyfacter/modular/database/database.pp", "timeout": 3600, "cwd": "/"}}, "role": "controller", "uid": "69"}]}^M

[root@fuel etc]# fuel --fuel-version
DEPRECATION WARNING: /etc/fuel/client/config.yaml exists and will be used as the source for settings. This behavior is deprecated. Please specify the path to your custom settings file in the FUELCLIENT_CUSTOM_SETTINGS environment variable.
api: '1.0'
astute_sha: 1ea8017fe8889413706d543a5b9f557f5414beae
auth_required: true
build_id: 2015-06-19_13-02-31
build_number: '525'
feature_groups:
- mirantis
fuel-library_sha: 2e7a08ad9792c700ebf08ce87f4867df36aa9fab
fuel-ostf_sha: 8fefcf7c4649370f00847cc309c24f0b62de718d
fuelmain_sha: a3998372183468f56019c8ce21aa8bb81fee0c2f
nailgun_sha: dbd54158812033dd8cfd7e60c3f6650f18013a37
openstack_version: 2014.2.2-6.1
production: docker
python-fuelclient_sha: 4fc55db0265bbf39c369df398b9dc7d6469ba13b
release: '6.1'
release_versions:
  2014.2.2-6.1:
    VERSION:
      api: '1.0'
      astute_sha: 1ea8017fe8889413706d543a5b9f557f5414beae
      build_id: 2015-06-19_13-02-31
      build_number: '525'
      feature_groups:
      - mirantis
      fuel-library_sha: 2e7a08ad9792c700ebf08ce87f4867df36aa9fab
      fuel-ostf_sha: 8fefcf7c4649370f00847cc309c24f0b62de718d
      fuelmain_sha: a3998372183468f56019c8ce21aa8bb81fee0c2f
      nailgun_sha: dbd54158812033dd8cfd7e60c3f6650f18013a37
      openstack_version: 2014.2.2-6.1
      production: docker
      python-fuelclient_sha: 4fc55db0265bbf39c369df398b9dc7d6469ba13b
      release: '6.1'