for _, r := range routes {
		r = r.DeepCopy()
		if len(r.Match) == 1 && slices.Equal(r.Match[0].SniHosts, []string{"*"}) {
			// For mesh, we use parent hosts for SNI if TLSRroute.hostnames were not specified.
			r.Match[0].SniHosts = parentHosts
		}
		for _, m := range r.Match {
			if port != nil {
				m.Port = uint32(*port)
			}
		}
		res = append(res, r)
	}
	return res
}