For multiple choices response, links displayed incorrect URL

[Shilpa Devharakar]

If we given wrong URL mistakenly lets say to get masakari list, response shows incorrect URL.

Actual
======
Here request with 'v4' version, in response check "links", here it displays wrong link

curl -g -i -X GET http://<HOST_IP>/instance-ha/v4/<TENANT_ID>/segments -H "Accept: application/json" -H "User-Agent: masakari keystoneauth1/3.15.0 python-requests/2.22.0 CPython/2.7.15+" -H "X-Auth-Token: <AUTH_TOKEN>"
HTTP/1.1 300 Multiple Choices
Date: Tue, 20 Aug 2019 13:26:22 GMT
Server: Apache/2.4.29 (Ubuntu)
Content-Length: 292
Content-Type: application/json
Connection: close

{"choices": [{"status": "CURRENT", "media-types": [{
 "base": "application/json",
 "type": "application/vnd.openstack.masakari+json;version=1"}],
 "id": "v1.0",
 "links": [{"href": "http://<HOST_IP>/instance-ha/v1/instance-ha/v4/<TENANT_ID>/segments",
 "rel": "self"}]}]}

Expected
========
curl -g -i -X GET http://<HOST_IP>/instance-ha/v1.0/<TENANT_ID>/segments -H "Accept: application/json" -H "User-Agent: masakari keystoneauth1/3.15.0 python-requests/2.22.0 CPython/2.7.15+" -H "X-Auth-Token: <AUTH_TOKEN>"
HTTP/1.1 300 Multiple Choices
Date: Tue, 20 Aug 2019 13:26:22 GMT
Server: Apache/2.4.29 (Ubuntu)
Content-Length: 292
Content-Type: application/json
Connection: close

{"choices": [{"status": "CURRENT", "media-types": [{
 "base": "application/json",
 "type": "application/vnd.openstack.masakari+json;version=1"}],
 "id": "v1.0",
 "links": [{"href": "http://<HOST_IP>/instance-ha/v1/<TENANT_ID>/segments",
 "rel": "self"}]}]}