nf_conncount_init
struct nf_conncount_data *nf_conncount_init(struct net *net, unsigned int keylen);
EXPORT_SYMBOL_GPL(nf_conncount_init);
info->data = nf_conncount_init(par->net, keylen);
ovs_net->ct_limit_info->data = nf_conncount_init(net, sizeof(u32));