dm_target_crypt: Successfully initialized
dm_target_crypt: using crypto_cipher: AES-XTS (in software)
dm_target_crypt: iv_mode='bogusiv' unsupported
dm_target_crypt: ENOTSUP
panic: assertion "count & TOK_COUNTMASK" failed in _lwkt_reltokref at /usr/src/sys/kern/lwkt_token.c:458
Trace beginning at frame 0xfffff80117dda4c8
lwkt_relalltokens() at lwkt_relalltokens+0x80 0xffffffff80679380 
lwkt_relalltokens() at lwkt_relalltokens+0x80 0xffffffff80679380 
panic() at panic+0xda 0xffffffff8065d56a 
lwkt_gettoken() at lwkt_gettoken+0x299 0xffffffff80679649 
mpipe_done() at mpipe_done+0x37 0xffffffff8065c0b7 
dm_target_crypt_destroy() at dm_target_crypt_destroy+0x29 0xffffffff826a2129 
Stopped at      Debugger+0x7c:  movb    $0,0xbdaf09(%rip)
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