Alex Hornung <ahornung@gmail.com> added the comment:
So far I've only seen that it is not about jails or not (which makes sense) but
rather only about whether the rule was added before mounting or after.
It shouldn't be happening, of course, and I'm not quite sure yet why it happens,
since rules should be checked on each devfs_allocp.
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DragonFly issue tracker <bugs@lists.dragonflybsd.org>
<http://bugs.dragonflybsd.org/issue1885>
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