Merge pull request #1554 from gravitl/bugfix_v0.15.2_nft_rules

remove unnecessary nft rule

Author: afeiszli

logic/gateway.go

@@ -4,7 +4,6 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
-	"net"
 	"strings"
 	"time"
 
@@ -334,12 +333,6 @@ func firewallNFTCommandsCreateEgress(networkInterface string, gatewayInterface s
 		postUp += "nft add table nat ; "
 		postUp += "nft 'add chain ip nat prerouting { type nat hook prerouting priority 0 ;}' ; "
 		postUp += "nft 'add chain ip nat postrouting { type nat hook postrouting priority 0 ;}' ; "
-		for _, networkCIDR := range gatewayranges {
-			if net.ParseIP(networkCIDR).To16() != nil {
-				continue
-			}
-			postUp += "nft add rule nat postrouting iifname " + networkInterface + " oifname " + gatewayInterface + " ip saddr " + networkCIDR + " masquerade ; "
-		}
 
 		postDown += "nft flush table filter ; "