Debian sid の base-files が更新されて `bullseye/sid` になった

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$ zcat /usr/share/doc/base-files/changelog.gz|head
base-files (11) unstable; urgency=medium

* Change issue, issue.net, debian_version and os-release to read
"bullseye/sid".
* Drop VERSION, VERSION_ID and CODENAME from os-release.
* Make "mesg n" silent in default /root/.profile. Closes: #930654.

-- Santiago Vila <sanvila@debian.org> Tue, 09 Jul 2019 12:05:50 +0200

base-files (10.3) unstable; urgency=medium
$ hostnamectl | egrep 'Operating System|Architecture'
Operating System: Debian GNU/Linux bullseye/sid
Architecture: x86-64