Comment 3 for bug 1621780

I've got proposed turned on, but this bug is still happening to me.

test@test-Precision-5510:~$ apt policy libcuda1-367
libcuda1-367:
  Installed: (none)
  Candidate: 367.44-0ubuntu0.16.04.2
  Version table:
     367.44-0ubuntu0.16.04.2 500
        500 http://archive.ubuntu.com/ubuntu xenial-proposed/restricted amd64 Packages
test@test-Precision-5510:~$ apt policy libcuda1-361
libcuda1-361:
  Installed: 361.45.11-0ubuntu0.16.04.1
  Candidate: 367.44-0ubuntu0.16.04.2
  Version table:
     367.44-0ubuntu0.16.04.2 500
        500 http://archive.ubuntu.com/ubuntu xenial-proposed/restricted amd64 Packages
 *** 361.45.11-0ubuntu0.16.04.1 100
        100 /var/lib/dpkg/status
     361.42-0ubuntu2 500
        500 http://archive.ubuntu.com/ubuntu xenial/restricted amd64 Packages
test@test-Precision-5510:~$ sudo apt dist-upgrade
Reading package lists... Done
Building dependency tree
Reading state information... Done
Calculating upgrade... Done
The following packages were automatically installed and are no longer required:
  firefox-locale-en gir1.2-gcr-3 gir1.2-gdesktopenums-3.0 gir1.2-gnomedesktop-3.0 gir1.2-gtkspell3-3.0 gsettings-desktop-schemas-dev ipxe-qemu kwin-data libasound2-dev libatk-wrapper-java
  libatk-wrapper-java-jni libcaca-dev libcacard0 libdevmapper-dev libenchant-dev libfam0 libfdt1 libfuse-dev libfwup0 libgconf2-4 libglib2.0-0:i386 libgmpxxv4-4 libgnome2-0 libgnome2-bin
  libgstreamer-plugins-base0.10-0 libgstreamer-plugins-base0.10-0:i386 libgstreamer0.10-0 libgstreamer0.10-0:i386 libiscsi2 libjs-jquery-ui liblvm2app2.2 libmysqlclient18 libnspr4-dev libnss3-dev
  liboauth-dev liborc-0.4-0:i386 libparted-fs-resize0 libphonon4qt5-4 libpolkit-gobject-1-dev libpolkit-qt5-1-1 libpopt-dev libpulse-dev libqt4-help libqt4-opengl libqt4-scripttools libqt4-svg
  libqt4-test libqt5script5 libqtassistantclient4 libqtwebkit4 libreadline5 libsdl1.2-dev libselinux1-dev libsepol1-dev libslang2-dev libspice-server1 libsystemd-dev libtext-unidecode-perl
  libusbredirparser1 libvoikko1 libxcb-composite0 libxcb-cursor0 libxcb-damage0 libxen-4.6 libxen-dev libxenstore3.0 libxft2:i386 libxkbfile-dev libxml-libxml-perl libxml-namespacesupport-perl
  libxml-sax-base-perl libxml-sax-perl libxt-dev libxtst6:i386 libxv1:i386 linux-image-extra-4.4.0-21-generic linux-image-extra-4.4.0-22-generic linux-image-extra-4.4.0-28-generic
  linux-image-extra-4.4.0-31-generic linux-image-extra-4.4.0-33-generic linux-image-extra-4.4.0-34-generic linux-image-extra-4.4.0-36-generic linux-image-extra-4.4.0-37-generic
  linux-signed-image-4.4.0-21-generic linux-signed-image-4.4.0-22-generic linux-signed-image-4.4.0-28-generic linux-signed-image-4.4.0-31-generic linux-signed-image-4.4.0-33-generic
  linux-signed-image-4.4.0-34-generic linux-signed-image-4.4.0-36-generic linux-signed-image-4.4.0-37-generic linux-tools-4.4.0-21 linux-tools-4.4.0-21-generic linux-tools-4.4.0-22
  linux-tools-4.4.0-22-generic linux-tools-4.4.0-28 linux-tools-4.4.0-28-generic linux-tools-4.4.0-31 linux-tools-4.4.0-31-generic linux-tools-4.4.0-33 linux-tools-4.4.0-33-generic linux-tools-4.4.0-34
  linux-tools-4.4.0-34-generic linux-tools-4.4.0-36 linux-tools-4.4.0-36-generic linux-tools-4.4.0-37 linux-tools-4.4.0-37-generic lvm2 nvidia-opencl-icd-361 pyflakes pyflakes3 python-distutils-extra
  python-pyflakes python3-all python3-distutils-extra python3-icu python3-pam python3-pyflakes python3-pyqt4 python3-sip python3-ssoclient qemu-block-extra qemu-slof qemu-system qemu-system-arm
  qemu-system-common qemu-system-mips qemu-system-misc qemu-system-ppc qemu-system-sparc qemu-system-x86 qml-module-qtquick-controls qml-module-qtquick-dialogs qml-module-qtquick-privatewidgets rdate
  seabios seccomp snap-confine syslinux-utils texinfo ttf-dejavu-core ttf-dejavu-extra ubuntu-core-launcher ubuntu-core-security-apparmor ubuntu-core-security-seccomp ubuntu-core-security-utils valgrind
  watershed xfonts-unifont
Use 'sudo apt autoremove' to remove them.
The following NEW packages will be installed:
  libcuda1-367
The following packages will be upgraded:
  libcuda1-361
1 upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
108 not fully installed or removed.
Need to get 0 B/2,695 kB of archives.
After this operation, 18.9 MB disk space will be freed.
Do you want to continue? [Y/n] y
(Reading database ... 585415 files and directories currently installed.)
Preparing to unpack .../libcuda1-361_367.44-0ubuntu0.16.04.2_amd64.deb ...
Failed to stop var-lib-snapd-lib-gl.mount: Unit var-lib-snapd-lib-gl.mount not loaded.
dpkg: warning: subprocess old pre-removal script returned error exit status 5
dpkg: trying script from the new package instead ...
dpkg: error processing archive /var/cache/apt/archives/libcuda1-361_367.44-0ubuntu0.16.04.2_amd64.deb (--unpack):
 there is no script in the new version of the package - giving up
Failed to get unit file state for var-lib-snapd-lib-gl.mount: No such file or directory
var-lib-snapd-lib-gl.mount is a disabled or a static unit, not starting it.
dpkg: considering deconfiguration of libcuda1-361, which would be broken by installation of libcuda1-367 ...
dpkg: yes, will deconfigure libcuda1-361 (broken by libcuda1-367)
Preparing to unpack .../libcuda1-367_367.44-0ubuntu0.16.04.2_amd64.deb ...
De-configuring libcuda1-361 (361.45.11-0ubuntu0.16.04.1) ...
Failed to stop var-lib-snapd-lib-gl.mount: Unit var-lib-snapd-lib-gl.mount not loaded.
dpkg: error processing archive /var/cache/apt/archives/libcuda1-367_367.44-0ubuntu0.16.04.2_amd64.deb (--unpack):
 subprocess installed pre-removal script returned error exit status 5
Failed to get unit file state for var-lib-snapd-lib-gl.mount: No such file or directory
var-lib-snapd-lib-gl.mount is a disabled or a static unit, not starting it.
Processing triggers for libc-bin (2.23-0ubuntu3) ...
Errors were encountered while processing:
 /var/cache/apt/archives/libcuda1-361_367.44-0ubuntu0.16.04.2_amd64.deb
 /var/cache/apt/archives/libcuda1-367_367.44-0ubuntu0.16.04.2_amd64.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)