fix node local dns ip hit ct when acl is set

[changluyi]

Pull Request

• Make sure you have followed Kube-OVN Code Style.

What type of this PR

Examples of user facing changes:

• Features
• Bug fixes
• Docs
• Tests

Which issue(s) this PR fixes

Fixes #(issue-number)

[zhangzujian]

+        char *match;
+        // skip conntrack when access node local dns ip
+        if (strlen(node_local_dns_ip_v4) != 0) {
+            match = xasprintf("ip4 && ip4.dst == %s", node_local_dns_ip_v4);
+            ovn_lflow_add_with_kube_ovn_hint(lflows, od,
+                S_SWITCH_IN_PRE_ACL, 110, match, "next;",
+                OVN_LFLOW_HINT_KUBE_OVN_SKIP_CT);
+                
+            match = xasprintf("ip4 && ip4.dst == %s", node_local_dns_ip_v4);
+            ovn_lflow_add_with_kube_ovn_hint(lflows, od,
+                S_SWITCH_OUT_PRE_ACL, 110, match, "next;",
+                OVN_LFLOW_HINT_KUBE_OVN_SKIP_CT);
+            free(match);
+        }

重复的 match = xasprintf(...);

[changluyi]

skip conntrack when access node local dns ip

1