[contrail] After deploy with Network template compute node become offline

Scenario:
   1. Configure interfaces
   2. Next we need to set gateway for private network with Fuel CLI:
       * Login with ssh to Fuel master node.
       * List existing network-groups
       fuel network-group --env 1
   3. Remove and create again network-group *private* to set a gateway
       fuel network-group --delete --network 5
       fuel network-group --create --name /
       private --cidr 10.109.3.0/24 --gateway 10.109.3.1 --nodegroup 1
   4. Set the `render_addr_mask` parameter to internal for this network by typing:
       fuel network-group --set --network 6 --meta
       '{"name": "private", "notation": "cidr", "render_type": null,
       "map_priority": 2, "configurable": true, "use_gateway": true,
       "render_addr_mask": "internal", "vlan_start": null,
       "cidr": "10.109.3.0/24"}'
   5. Save sample :download:
       `network template<examples/network_template_1.yaml>`
   6. Upload the network template by typing:
       fuel --env 1 network-template --upload --dir /root/
   7. Start deploy, pressing "Deploy changes" button.

Actual result:
After deploy with Network template compute node become offline