package:linux-image-extra-4.10.0-19-generic:4.10.0-19.21 Removing linux-image-extra-4.10.0-19-generic (4.10.0-19.21) ... run-parts: executing /etc/kernel/postinst.d/apt-auto-removal 4.10.0-19-generic /boot/vmlinuz-4.10.0-19-generic run-parts: executing /etc/kernel/postinst.d/initramfs-tools 4.10.0-19-generic /boot/vmlinuz-4.10.0-19-generic update-initramfs: Generating /boot/initrd.img-4.10.0-19-generic run-parts: executing /etc/kernel/postinst.d/unattended-upgrades 4.10.0-19-generic /boot/vmlinuz-4.10.0-19-generic run-parts: executing /etc/kernel/postinst.d/update-notifier 4.10.0-19-generic /boot/vmlinuz-4.10.0-19-generic run-parts: executing /etc/kernel/postinst.d/zz-runlilo 4.10.0-19-generic /boot/vmlinuz-4.10.0-19-generic Fatal: open /dev/disk/by-id/: Is a directory run-parts: /etc/kernel/postinst.d/zz-runlilo exited with return code 1 dpkg: error processing package linux-image-extra-4.10.0-19-generic (--remove): subprocess installed post-removal script returned error exit status 1