DF-0445 environment
===================
uname -a (unpatched baseline):
  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

uname -a (single-fix kernel, Phase 8):
  DragonFly dfbsd 6.5-DEVELOPMENT DragonFly 6.5-DEVELOPMENT #1: Sat Jul 18 12:48:52 UTC 2026     root@dfbsd:/usr/obj/usr/src/sys/X86_64_GENERIC  x86_64

Modules loaded for the run:
  kernel, ehci.ko, xhci.ko, pf.ko

vtnet0 (the test interface, also the SSH interface):
  vtnet0: flags=808843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST,PROXY> metric 0 mtu 1500
      ether 52:54:00:12:34:56
      inet 10.0.2.15 netmask 0xffffff00 broadcast 10.0.2.255

BPF devices: /dev/bpf0..15 available

sysctl kern.securelevel: -1  (insecure)

Build env for the fixed kernel:
  make -j6 nativekernel KERNCONF=X86_64_GENERIC
  ~10 min full rebuild
  kernel.stripped -> /boot/kernel/kernel