51-bugfix-routes-not-removing-when-withdrawn

- Routes are not being removed despite being withdrawn from the
configuration.
- Best path routes are not shared across interfaces
- Bug in consistent hashing wrong parameter passed caused by
refactorings.

pkg/route/route.go

@@ -19,11 +19,7 @@ func (r *RouteInstallerImpl) InstallRoutes(devName string, routes ...lib.Route)
 		return err
 	}
 
-	ip6Routes := lib.Filter(routes, func(r lib.Route) bool {
-		return r.Destination.IP.To4() == nil
-	})
-
-	err = rtnl.DeleteRoutes(devName, unix.AF_INET6, ip6Routes...)
+	err = rtnl.DeleteRoutes(devName, unix.AF_INET6, routes...)
 
 	if err != nil {
 		return err