fix missing src change

ubuntu_intermediate/inter_op_ebpf.c

@@ -309,6 +309,7 @@ int inter_op_ebpf(struct xdp_md *ctx)
                 bpf_trace_printk("Replaced 0x%x with 0x%x", original_ip, ip->daddr);
 
                 ip_pool.insert(&original_dst, &new_ip);
+                ip_pool.insert(&new_ip, &original_dst);
                 ip->daddr = new_ip;
                 current_index++;
                 alt_ip_index.update(&alt_ip_index_key, &current_index);