Steps:
- feature:install odl-ovsdb-southbound-impl-ui
curl -u admin:admin http://localhost:8181/restconf/config/network-topology:network-topology/topology/ovsdb:1/
or
curl -u admin:admin http://localhost:8181/restconf/operational/network-topology:network-topology/topology/ovsdb:1/
step2 curl return '404 not found'
curl results should be
{
"topology": [
{
"topology-id": "ovsdb:1"
}
]
}