Unattended upgrade result: All upgrades installed Warning: A reboot is required to complete this upgrade, or a previous one. Packages with upgradable origin but kept back: firmware-linux-free Packages that were auto-removed: linux-image-4.19.0-24-amd64 Package installation log: Log started: 2024-01-13 06:27:48 Removing linux-image-4.19.0-24-amd64 (4.19.282-1) ... /etc/kernel/postrm.d/initramfs-tools: update-initramfs: Deleting /boot/initrd.img-4.19.0-24-amd64 /etc/kernel/postrm.d/zz-update-grub: Generating grub configuration file ... Found linux image: /boot/vmlinuz-4.19.0-26-amd64 Found initrd image: /boot/initrd.img-4.19.0-26-amd64 Found linux image: /boot/vmlinuz-4.19.0-25-amd64 Found initrd image: /boot/initrd.img-4.19.0-25-amd64 Warning: os-prober will be executed to detect other bootable partitions. Its output will be used to detect bootable binaries on them and create new boot entries. done Log ended: 2024-01-13 06:27:51 Unattended-upgrades log: Initial blacklist : Initial whitelist: Starting unattended upgrades script Allowed origins are: origin=Debian,codename=buster,label=Debian, origin=Debian,codename=buster,label=Debian-Security package firmware-linux-free upgradable but fails to be marked for upgrade () Removing unused kernel packages: linux-image-4.19.0-24-amd64 Packages that were successfully auto-removed: linux-image-4.19.0-24-amd64 Packages that are kept back: Packages that will be upgraded: