IPSEC_LEVEL_AVAIL
#define IPSEC_LEVEL_DEFAULT IPSEC_LEVEL_AVAIL
if (seclevel->sl_esp_trans == IPSEC_LEVEL_AVAIL &&
seclevel->sl_esp_network == IPSEC_LEVEL_AVAIL &&
seclevel->sl_auth == IPSEC_LEVEL_AVAIL)