更新しようとすると、次のエラーが発生します。これはi386を追加したときに始まりました。
W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://deb.debian.org/debian bullseye InRelease: Splitting up /var/lib/apt/lists/deb.debian.org_debian_dists_bullseye_InRelease into data and signature failed
W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://deb.debian.org/debian-security bullseye-security InRelease: Splitting up /var/lib/apt/lists/deb.debian.org_debian-security_dists_bullseye-security_InRelease into data and signature failed
W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://deb.debian.org/debian bullseye-updates InRelease: Splitting up /var/lib/apt/lists/deb.debian.org_debian_dists_bullseye-updates_InRelease into data and signature failed
W: Failed to fetch http://deb.debian.org/debian/dists/bullseye/InRelease Splitting up /var/lib/apt/lists/deb.debian.org_debian_dists_bullseye_InRelease into data and signature failed
W: Failed to fetch http://deb.debian.org/debian-security/dists/bullseye-security/InRelease Splitting up /var/lib/apt/lists/deb.debian.org_debian-security_dists_bullseye-security_InRelease into data and signature failed
W: Failed to fetch http://deb.debian.org/debian/dists/bullseye-updates/InRelease Splitting up /var/lib/apt/lists/deb.debian.org_debian_dists_bullseye-updates_InRelease into data and signature failed
W: Some index files failed to download. They have been ignored, or old ones used instead.