fix network policy err

pkg/ovs/ovn-nb-address_set.go

@@ -3,8 +3,11 @@ package ovs
 import (
 	"context"
 	"fmt"
+	"net"
+	"strings"
 
 	"github.com/ovn-org/libovsdb/client"
+	"k8s.io/klog/v2"
 
 	"github.com/kubeovn/kube-ovn/pkg/ovsdb/ovnnb"
 	"github.com/kubeovn/kube-ovn/pkg/util"
@@ -55,7 +58,7 @@ func (c *ovnClient) AddressSetUpdateAddress(asName string, addresses ...string)
 	// update will failed when slice contains duplicate elements
 	addresses = util.UniqString(addresses)
 
-	// format CIDR to keep addresses the same in both nb and sb 
+	// format CIDR to keep addresses the same in both nb and sb
 	for i, addr := range addresses {
 		if strings.ContainsRune(addr, '/') {
 			_, ipNet, err := net.ParseCIDR(addr)