req, err := http.NewRequest("GET", "https://foo.example/bar", nil)
req.Header.Set("X-Forwarded-For", "1.2.3.4:12345")
c.Assert(err, check.IsNil)
resp := httptest.NewRecorder()
req, err := http.NewRequest("GET", "https://foo.example/bar", nil)
req.Header.Set("X-Forwarded-For", "1.2.3.4:12345")
c.Assert(err, check.IsNil)
resp := httptest.NewRecorder()