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Subject: Re: What to use in place of abstract unix sockets?
To: Gleb Popov <arrowd@freebsd.org>, "Daniel O'Connor" <darius@dons.net.au>
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11.12.2021 16:59, Gleb Popov wrote:

> EXDEV: Cross-device link
> 
> This might be because the chroot's target directory is an nullfs mount. Am
> I right that it isn't possible to create hard links that span nullfs mount
> points?

It is not possible to create hard links for source and destination directories
with different st_dev values as per stat(2), this includes nullfs,
each of which has its own st_dev id.