API v2 doesn't honor the web.route-prefix argument #1627
Description
What did you do?
Start AlertManager with --web.route-prefix=/foo
What did you expect to see?
curl localhost:9093/foo/api/v2/silences returns 200 OK.
What did you see instead? Under which circumstances?
404 not found.
curl localhost:9093/foo/api/v1/silences returns 200 OK.