=== DF-2597 guest environment (CLEAN with-src baseline, audit-source master) ===
DragonFly dfbsd 6.5-DEVELOPMENT DragonFly 6.5-DEVELOPMENT #0: Thu Jul  2 06:02:54 UTC 2026     root@dfbsd:/usr/obj/usr/src/sys/X86_64_GENERIC  x86_64
cc: cc 8.3 [DragonFly] Release/2019-02-22
kern.version: DragonFly 6.5-DEVELOPMENT #0: Thu Jul  2 06:02:54 UTC 2026

=== TCP_SIGNATURE build state on the DEFAULT GENERIC kernel ===
sys/conf/options:  #TCP_SIGNATURE		opt_inet.h
sys/config/X86_64_GENERIC TCP_SIGNATURE refs: 0
nm /boot/kernel/kernel | grep -ci tcpsignature: 0
IPsec SADB subsystem present (netproto/ipsec): ABSENT
headers defining key_allocsa:        0
headers defining struct secasvar:        0
defines of IPSEC_DIR_OUTBOUND: 0

=== runtime probe (setsockopt TCP_SIGNATURE_ENABLE) ===
returns ENOPROTOOPT (42) on default GENERIC -> code path unreachable