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Only exploit ipf state keeping for CFW logging.
@@ -66,10 +66,11 @@
 icmptoicmp6types
 icmptoicmp6unreach
 idletime_tab
 ip6exthdr
 ipf_cb_ops
+ipf_cfwlog_enabled
 ipf_dev_info
 ipf_devfiles
 ipf_eth_bcast_addr
 ipf_eth_ipv4_mcast
 ipf_eth_ipv6_mcast