Preparing to unpack .../linux-modules-4.15.0-43-generic_4.15.0-43.46~16.04.1_amd64.deb ...
Unpacking linux-modules-4.15.0-43-generic (4.15.0-43.46~16.04.1) ...
Selecting previously unselected package linux-image-4.15.0-43-generic.
Preparing to unpack .../linux-image-4.15.0-43-generic_4.15.0-43.46~16.04.1_amd64.deb ...
Unpacking linux-image-4.15.0-43-generic (4.15.0-43.46~16.04.1) ...
Selecting previously unselected package linux-modules-extra-4.15.0-43-generic.
Preparing to unpack .../linux-modules-extra-4.15.0-43-generic_4.15.0-43.46~16.04.1_amd64.deb ...
Unpacking linux-modules-extra-4.15.0-43-generic (4.15.0-43.46~16.04.1) ...
Preparing to unpack .../linux-generic-hwe-16.04_4.15.0.43.64_amd64.deb ...
Unpacking linux-generic-hwe-16.04 (4.15.0.43.64) over (4.15.0.42.63) ...
Preparing to unpack .../linux-image-generic-hwe-16.04_4.15.0.43.64_amd64.deb ...
Unpacking linux-image-generic-hwe-16.04 (4.15.0.43.64) over (4.15.0.42.63) ...
Selecting previously unselected package linux-headers-4.15.0-43.
Preparing to unpack .../linux-headers-4.15.0-43_4.15.0-43.46~16.04.1_all.deb ...
Unpacking linux-headers-4.15.0-43 (4.15.0-43.46~16.04.1) ...
Selecting previously unselected package linux-headers-4.15.0-43-generic.
Preparing to unpack .../linux-headers-4.15.0-43-generic_4.15.0-43.46~16.04.1_amd64.deb ...
Unpacking linux-headers-4.15.0-43-generic (4.15.0-43.46~16.04.1) ...
Preparing to unpack .../linux-headers-generic-hwe-16.04_4.15.0.43.64_amd64.deb ...
Unpacking linux-headers-generic-hwe-16.04 (4.15.0.43.64) over (4.15.0.42.63) ...
Preparing to unpack .../linux-signed-generic-hwe-16.04_4.15.0.43.64_amd64.deb ...
Unpacking linux-signed-generic-hwe-16.04 (4.15.0.43.64) over (4.15.0.42.63) ...
Setting up linux-modules-4.15.0-43-generic (4.15.0-43.46~16.04.1) ...
Setting up linux-image-4.15.0-43-generic (4.15.0-43.46~16.04.1) ...
I: /vmlinuz.old is now a symlink to boot/vmlinuz-4.15.0-29-generic
I: /initrd.img.old is now a symlink to boot/initrd.img-4.15.0-29-generic
I: /vmlinuz is now a symlink to boot/vmlinuz-4.15.0-43-generic
I: /initrd.img is now a symlink to boot/initrd.img-4.15.0-43-generic
Setting up linux-modules-extra-4.15.0-43-generic (4.15.0-43.46~16.04.1) ...
Setting up linux-image-generic-hwe-16.04 (4.15.0.43.64) ...
Setting up linux-headers-4.15.0-43 (4.15.0-43.46~16.04.1) ...
Setting up linux-headers-4.15.0-43-generic (4.15.0-43.46~16.04.1) ...
Setting up linux-headers-generic-hwe-16.04 (4.15.0.43.64) ...
Setting up linux-generic-hwe-16.04 (4.15.0.43.64) ...
Setting up linux-signed-generic-hwe-16.04 (4.15.0.43.64) ...
Processing triggers for linux-image-4.15.0-43-generic (4.15.0-43.46~16.04.1) ...
/etc/kernel/postinst.d/initramfs-tools:
update-initramfs: Generating /boot/initrd.img-4.15.0-43-generic
/etc/kernel/postinst.d/zz-update-grub:
Searching for GRUB installation directory ... found: /boot/grub
Searching for default file ... found: /boot/grub/default
Testing for an existing GRUB menu.lst file ... 

Could not find /boot/grub/menu.lst file. Would you like /boot/grub/menu.lst generated for you? (y/N) /usr/sbin/update-grub: line 1094: read: read error: 0: Bad file descriptor
run-parts: /etc/kernel/postinst.d/zz-update-grub exited with return code 1
dpkg: error processing package linux-image-4.15.0-43-generic (--configure):
 subprocess installed post-installation script returned error exit status 1