Created attachment 1519877 [details]
terminal log

Description of problem:
Creation of a network with unicode name fails with ovn ml2 plugin

Version-Release number of selected component (if applicable):
[root@packstack20 ~]# rpm -qa openstack-neutron
openstack-neutron-13.0.2-1.el7.noarch
[root@packstack20 ~]# rpm -qa openvswitch
openvswitch-2.10.1-1.el7.x86_64


How reproducible:
always

Steps to Reproduce:
1. get a token: curl -i \
  -H "Content-Type: application/json" \
  -d '
{ "auth": {
    "identity": {
      "methods": ["password"],
      "password": {
        "user": {
          "name": "admin",
          "domain": { "name": "Default" },
          "password": "123456"
        }
      }
    },
    "scope": {
      "project": {
        "name": "admin",
        "domain": { "name": "Default" }
      }
    }
  }
}' \
  "http://localhost:5000/v3/auth/tokens" | grep X-Subject-Token

2. create a network with non-ascii name: curl   -H "X-Auth-Token:$TOKEN" -X POST \
  http://localhost:9696/v2.0/networks/ \
  -H 'Content-Type: application/json' \
  -d '{
        "network": {
                "name": "רשתחיצונית"
        }
}


3.

Actual results:
Neutron returns  "Request Failed: internal server error while processing your request."

Expected results:
Network is created and reported and listable by neutron.

Additional info:
Probably the error is in https://github.com/openvswitch/ovs/tree/master/python/ovs