IPCT_DESTROY
if (nf_conntrack_event_report(IPCT_DESTROY, ct,
if (unlikely(ret < 0 && (events & (1 << IPCT_DESTROY)))) {
if (nf_conntrack_event(IPCT_DESTROY, ct)) {
if (events & (1 << IPCT_DESTROY)) {
if (events & (1 << IPCT_DESTROY)) {