OSTF Savana tests failed on 4.0

[Tatyanka]

Deployment type:
KVM, CentOS 1controller + 1 compute/cinder + 1 compute with Neutron Vlan and Savanna enabled

* Deploy cluster
* Execute sanity tests

* Expectation
Sanity tests pass (include savanna)

* Actual result
Savanna sanity tests failed
with 400 Bad request:
paramiko.transport: DEBUG: [chan 1] EOF received (1)
fuel_health.common.savanna_ssh: DEBUG: Output ssh is "network_api_class=nova.network.neutronv2.api.API
"
fuel_health.savanna: DEBUG: neutron is found
fuel_health.savanna: DEBUG: Creating node group template with floating ip
requests.packages.urllib3.connectionpool: INFO: Starting new HTTP connection (1): 10.108.0.6
requests.packages.urllib3.connectionpool: DEBUG: "POST http://172.16.0.2:5000/v2.0/tokens HTTP/1.1" 200 2355
requests.packages.urllib3.connectionpool: INFO: Starting new HTTP connection (1): 10.108.0.6
requests.packages.urllib3.connectionpool: DEBUG: "POST http://172.16.0.2:8774/v2/ebefd09d9c404bc2a4e020ad50ac988d/flavors HTTP/1.1" 200 541
requests.packages.urllib3.connectionpool: INFO: Starting new HTTP connection (1): 10.108.0.6
requests.packages.urllib3.connectionpool: DEBUG: "POST http://10.108.0.6:8386/v1.0/ebefd09d9c404bc2a4e020ad50ac988d/node-group-templates HTTP/1.1" 400 133
fuel_health.common.test_mixins: DEBUG: Requested plugin 'vanilla' doesn't support version '1.1.2'
--------------------- >> end captured logging << ---------------------

See attached logs for more details

[Tatyanka (tatyana-leontovich)]

{"release": "4.0", "nailgun_sha": "843153c5fb4cf0fc62dba76a0ae80954e916b5e4", "ostf_sha": "ce6aabb1f24c5328e316c49f965b4246a5ca5ca6", "astute_sha": "df6ddea3abc93fbe1cab9b4534d4d5e9508c95d6", "fuellib_sha": "11ec45bd500d8cad11d2e8930a14f418d11e1e91"}
with Maks M manifests

[Sergey Galkin (sgalkin)]

Fixed by https://github.com/tleontovich/fuel-ostf/pull/2

[Sergey Galkin (sgalkin)]

fixed by https://review.openstack.org/#/c/55835/