@@ -5,12 +5,11 @@ import (

 	"errors"

 	"github.com/dotcloud/docker/networkdriver"

 	"github.com/dotcloud/docker/pkg/collections"

-	"github.com/dotcloud/docker/pkg/netlink"

 	"net"

 	"sync"

 )

-type networkSet map[iPNet]*collections.OrderedIntSet

+type networkSet map[string]*collections.OrderedIntSet

 var (

 	ErrNoAvailableIPs     = errors.New("no available ip addresses on network")

@@ -149,7 +148,7 @@ func intToIP(n int32) *net.IP {

 func checkAddress(address *net.IPNet) {

 	key := address.String()

 	if _, exists := allocatedIPs[key]; !exists {

-		allocatedIPs[key] = &iPSet{}

-		availableIPS[key] = &iPSet{}

+		allocatedIPs[key] = collections.NewOrderedIntSet()

+		availableIPS[key] = collections.NewOrderedIntSet()

 	}

 }