use ip instead of string

Author: clinta

docker/core/core.go

@@ -251,7 +251,10 @@ func (c *Core) DeleteContainerInterface(netid, endpointid string) error {
 
 // DeleteRoute deletes a route... who'd have thought?
 func (c *Core) DeleteRoute(address string) error {
-	addr := net.ParseIP(address)
+	return c.deleteRoute(net.ParseIP(address))
+}
+
+func (c *Core) deleteRoute(addr net.IP) error {
 	hi, err := host.GetInterfaceFromDestinationAddress(addr)
 	if err != nil {
 		return err

docker/core/reconcile.go

@@ -40,7 +40,7 @@ func (c *Core) Reconcile() {
 		if _, ok := es[n.String()]; ok {
 			continue
 		}
-		err = c.DeleteRoute(n.String())
+		err = c.deleteRoute(n.IP)
 		if err != nil {
 			log.WithError(err).Error("error deleting orphaned route")
 		}