stock kernel:  DragonFly dfbsd 6.5-DEVELOPMENT #0: Thu Jul  2 06:02:54 UTC 2026 (INVARIANTS)
patched kernel: DragonFly dfbsd 6.5-DEVELOPMENT #1: Sun Sep  6 21:28:18 UTC 2026 (fix.diff applied to /usr/src, make -j6 nativekernel KERNCONF=X86_64_GENERIC, 4299 cc, rc=0, make installkernel)
mount: /root/vntool attach <n> /root/<img>.img; mount -t ext2fs /dev/vn<n> /mnt/e2 (RW, root; trigger user = maxx)
vfs.usermount: 0
images: mke2fs -t ext2 -b 1024 -I 128 -O dir_index,^metadata_csum + debugfs payload + e2fsck -fyD (e2fsprogs 1.47.0)
hash: half_md4, seed per-image; python port validated 3/3 against debugfs htree dump