apt-get autoremove linux-image-4.4.0-38-generic
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following packages will be REMOVED:
  linux-headers-4.4.0-38 linux-headers-4.4.0-38-generic
  linux-image-4.4.0-38-generic linux-image-extra-4.4.0-36-generic
  linux-image-extra-4.4.0-38-generic
0 upgraded, 0 newly installed, 5 to remove and 100 not upgraded.
6 not fully installed or removed.
After this operation, 458 MB disk space will be freed.
Do you want to continue? [Y/n] Y
E: Can not write log (Is /dev/pts mounted?) - posix_openpt (2: No such file or directory)
(Reading database ... 414783 files and directories currently installed.)
Removing linux-image-extra-4.4.0-36-generic (4.4.0-36.55) ...
depmod: FATAL: could not load /boot/System.map-4.4.0-36-generic: No such file or directory
run-parts: executing /etc/kernel/postinst.d/apt-auto-removal 4.4.0-36-generic /boot/vmlinuz-4.4.0-36-generic
run-parts: executing /etc/kernel/postinst.d/initramfs-tools 4.4.0-36-generic /boot/vmlinuz-4.4.0-36-generic
update-initramfs: Generating /boot/initrd.img-4.4.0-36-generic
WARNING: missing /lib/modules/4.4.0-36-generic
Ensure all necessary drivers are built into the linux image!
depmod: ERROR: could not open directory /lib/modules/4.4.0-36-generic: No such file or directory
depmod: FATAL: could not search modules: No such file or directory
depmod: WARNING: could not open /var/tmp/mkinitramfs_R7DH0p/lib/modules/4.4.0-36-generic/modules.order: No such file or directory
depmod: WARNING: could not open /var/tmp/mkinitramfs_R7DH0p/lib/modules/4.4.0-36-generic/modules.builtin: No such file or directory
run-parts: executing /etc/kernel/postinst.d/pm-utils 4.4.0-36-generic /boot/vmlinuz-4.4.0-36-generic
run-parts: executing /etc/kernel/postinst.d/unattended-upgrades 4.4.0-36-generic /boot/vmlinuz-4.4.0-36-generic
run-parts: executing /etc/kernel/postinst.d/zz-update-grub 4.4.0-36-generic /boot/vmlinuz-4.4.0-36-generic
/usr/sbin/grub-probe: error: cannot find a device for / (is /dev mounted?).
run-parts: /etc/kernel/postinst.d/zz-update-grub exited with return code 1
dpkg: error processing package linux-image-extra-4.4.0-36-generic (--remove):
 subprocess installed post-removal script returned error exit status 1
Removing linux-headers-4.4.0-38-generic (4.4.0-38.57) ...
Removing linux-headers-4.4.0-38 (4.4.0-38.57) ...
Removing linux-image-extra-4.4.0-38-generic (4.4.0-38.57) ...
run-parts: executing /etc/kernel/postinst.d/apt-auto-removal 4.4.0-38-generic /boot/vmlinuz-4.4.0-38-generic
run-parts: executing /etc/kernel/postinst.d/initramfs-tools 4.4.0-38-generic /boot/vmlinuz-4.4.0-38-generic
update-initramfs: Generating /boot/initrd.img-4.4.0-38-generic
run-parts: executing /etc/kernel/postinst.d/pm-utils 4.4.0-38-generic /boot/vmlinuz-4.4.0-38-generic
run-parts: executing /etc/kernel/postinst.d/unattended-upgrades 4.4.0-38-generic /boot/vmlinuz-4.4.0-38-generic
run-parts: executing /etc/kernel/postinst.d/zz-update-grub 4.4.0-38-generic /boot/vmlinuz-4.4.0-38-generic
/usr/sbin/grub-probe: error: cannot find a device for / (is /dev mounted?).
run-parts: /etc/kernel/postinst.d/zz-update-grub exited with return code 1
dpkg: error processing package linux-image-extra-4.4.0-38-generic (--remove):
 subprocess installed post-removal script returned error exit status 1
/bin/df: cannot read table of mounted file systems: No such file or directory
Removing linux-image-4.4.0-38-generic (4.4.0-38.57) ...
Examining /etc/kernel/postrm.d .
run-parts: executing /etc/kernel/postrm.d/initramfs-tools 4.4.0-38-generic /boot/vmlinuz-4.4.0-38-generic
update-initramfs: Deleting /boot/initrd.img-4.4.0-38-generic
run-parts: executing /etc/kernel/postrm.d/zz-update-grub 4.4.0-38-generic /boot/vmlinuz-4.4.0-38-generic
/usr/sbin/grub-probe: error: cannot find a device for / (is /dev mounted?).
run-parts: /etc/kernel/postrm.d/zz-update-grub exited with return code 1
Failed to process /etc/kernel/postrm.d at /var/lib/dpkg/info/linux-image-4.4.0-38-generic.postrm line 328.
dpkg: error processing package linux-image-4.4.0-38-generic (--remove):
 subprocess installed post-removal script returned error exit status 1
/bin/df: cannot read table of mounted file systems: No such file or directory
Errors were encountered while processing:
 linux-image-extra-4.4.0-36-generic
 linux-image-extra-4.4.0-38-generic
 linux-image-4.4.0-38-generic
E: Sub-process /usr/bin/dpkg returned an error code (1)