=== setup ===
create: rc=-1 errno=17 (File exists)   # device pocdev from prior test
=== BASELINE (unpatched dm_target_crypt.ko) — ./dm_poc 1634 (as root) ===
(ssh session timed out; guest panicked)
ssh: command timed out after 120s
vm.sh status: down
=== PANIC (from dfbsd-qemu/boot.log) ===
dm_target_crypt: using crypto_cipher: AES-CBC (Rijndael-128) in software
dm_target_crypt: iv_mode='BOGUS' unsupported
dm_target_crypt: ENOTSUP
panic: assertion "count & TOK_COUNTMASK" failed in _lwkt_reltokref at lwkt_token.c:458
mpipe_done() at mpipe_done+0x37
dm_target_crypt_destroy() at dm_target_crypt_destroy+0x29
=== FIX (patched dm_target_crypt.ko, M_ZERO) — ./dm_poc 1634 (as root) ===
DF-1634 crypt(unsupported iv_mode): rc=-1 errno=45 (Operation not supported)
EXIT=0
vm.sh status: up
dmesg: dm_target_crypt: iv_mode='BOGUS' unsupported / dm_target_crypt: ENOTSUP (no panic)