func sortHTTPRoutes(routes []*istio.HTTPRoute) {
	sort.SliceStable(routes, func(i, j int) bool {
		if len(routes[i].Match) == 0 {
			return false
		} else if len(routes[j].Match) == 0 {
			return true
		}
		// Only look at match[0], we always generate only one match
		m1, m2 := routes[i].Match[0], routes[j].Match[0]
		r1, r2 := getURIRank(m1), getURIRank(m2)
		len1, len2 := getURILength(m1), getURILength(m2)
		switch {