CRYPTO_EVENT_MECHS_CHANGED
if (nf == NULL || !(event_mask & (CRYPTO_EVENT_MECHS_CHANGED |
kcf_walk_ntfylist(CRYPTO_EVENT_MECHS_CHANGED, &ec);
kcf_walk_ntfylist(CRYPTO_EVENT_MECHS_CHANGED, &ec);
if (event != CRYPTO_EVENT_MECHS_CHANGED) {
ipsec_prov_update_callback, CRYPTO_EVENT_MECHS_CHANGED);