nf_ct_timeout_find
timeout_ext = nf_ct_timeout_find(ct);
timeout_ext = tmpl ? nf_ct_timeout_find(tmpl) : NULL;
timeout_ext = nf_ct_timeout_find(ct);
struct nf_conn_timeout *timeout_ext = nf_ct_timeout_find(ct);
timeout = nf_ct_timeout_find(ct);
nf_ct_timeout_find(ct_info.ct)->timeout);
timeout_ext = nf_ct_timeout_find(ct);