~$ sudo apt-get upgrade
Reading package lists... Done
Building dependency tree
Reading state information... Done
Calculating upgrade... Done
The following packages have been kept back:
  linux-generic-lts-vivid linux-generic-lts-xenial
  linux-headers-generic-lts-vivid linux-headers-generic-lts-xenial
  linux-image-generic-lts-vivid linux-image-generic-lts-xenial
  linux-signed-generic-lts-vivid linux-signed-generic-lts-xenial
  linux-signed-image-generic-lts-vivid linux-signed-image-generic-lts-xenial
  nvidia-opencl-icd-352
The following packages will be upgraded:
  cuda-repo-ubuntu1404 gir1.2-gstreamer-1.0 gstreamer0.10-plugins-good
  gstreamer0.10-pulseaudio gstreamer1.0-plugins-good gstreamer1.0-pulseaudio
  gstreamer1.0-tools imagemagick imagemagick-common
  libgstreamer-plugins-good1.0-0 libgstreamer1.0-0 libmagickcore5
  libmagickcore5-extra libmagickwand5 libpython2.7 libpython2.7-dev
  libpython2.7-minimal libpython2.7-stdlib libpython3.4 libpython3.4-dev
  libpython3.4-minimal libpython3.4-stdlib python2.7 python2.7-dev
  python2.7-minimal python3.4 python3.4-dev python3.4-minimal tar
  ubuntu-drivers-common
30 upgraded, 0 newly installed, 0 to remove and 11 not upgraded.
Need to get 56.0 MB of archives.
After this operation, 32.8 kB of additional disk space will be used.
Do you want to continue? [Y/n] y
WARNING: The following packages cannot be authenticated!
  cuda-repo-ubuntu1404
Install these packages without verification? [y/N] y
Get:1 http://us.archive.ubuntu.com/ubuntu/ trusty-updates/main tar amd64 1.27.1-1ubuntu0.1 [196 kB]
Get:2 http://developer.download.nvidia.com/compute/cuda/repos/ubuntu1404/x86_64/  cuda-repo-ubuntu1404 8.0.44-1 [2,696 B]
Get:3 http://us.archive.ubuntu.com/ubuntu/ trusty-updates/main python3.4-dev amd64 3.4.3-1ubuntu1~14.04.5 [419 kB]
Get:4 http://us.archive.ubuntu.com/ubuntu/ trusty-updates/main libpython3.4-dev amd64 3.4.3-1ubuntu1~14.04.5 [17.8 MB]
Get:5 http://us.archive.ubuntu.com/ubuntu/ trusty-updates/main libpython3.4 amd64 3.4.3-1ubuntu1~14.04.5 [1,304 kB]
Get:6 http://us.archive.ubuntu.com/ubuntu/ trusty-updates/main python3.4 amd64 3.4.3-1ubuntu1~14.04.5 [178 kB]
Get:7 http://us.archive.ubuntu.com/ubuntu/ trusty-updates/main python3.4-minimal amd64 3.4.3-1ubuntu1~14.04.5 [1,220 kB]
Get:8 http://us.archive.ubuntu.com/ubuntu/ trusty-updates/main libpython3.4-stdlib amd64 3.4.3-1ubuntu1~14.04.5 [1,985 kB]
Get:9 http://us.archive.ubuntu.com/ubuntu/ trusty-updates/main libpython3.4-minimal amd64 3.4.3-1ubuntu1~14.04.5 [462 kB]
Get:10 http://us.archive.ubuntu.com/ubuntu/ trusty-updates/main gstreamer0.10-plugins-good amd64 0.10.31-3+nmu1ubuntu5.1 [1,367 kB]
Get:11 http://us.archive.ubuntu.com/ubuntu/ trusty-updates/main imagemagick-common all 8:6.7.7.10-6ubuntu3.2 [37.8 kB]
Get:12 http://us.archive.ubuntu.com/ubuntu/ trusty-updates/main libgstreamer1.0-0 amd64 1.2.4-0ubuntu1.1 [598 kB]
Get:13 http://us.archive.ubuntu.com/ubuntu/ trusty-updates/main libmagickwand5 amd64 8:6.7.7.10-6ubuntu3.2 [266 kB]
Get:14 http://us.archive.ubuntu.com/ubuntu/ trusty-updates/main libmagickcore5-extra amd64 8:6.7.7.10-6ubuntu3.2 [57.9 kB]
Get:15 http://us.archive.ubuntu.com/ubuntu/ trusty-updates/main libmagickcore5 amd64 8:6.7.7.10-6ubuntu3.2 [1,474 kB]
Get:16 http://us.archive.ubuntu.com/ubuntu/ trusty-updates/main python2.7-dev amd64 2.7.6-8ubuntu0.3 [269 kB]
Get:17 http://us.archive.ubuntu.com/ubuntu/ trusty-updates/main libpython2.7-dev amd64 2.7.6-8ubuntu0.3 [22.0 MB]
Get:18 http://us.archive.ubuntu.com/ubuntu/ trusty-updates/main python2.7 amd64 2.7.6-8ubuntu0.3 [197 kB]
Get:19 http://us.archive.ubuntu.com/ubuntu/ trusty-updates/main libpython2.7 amd64 2.7.6-8ubuntu0.3 [1,039 kB]
Get:20 http://us.archive.ubuntu.com/ubuntu/ trusty-updates/main libpython2.7-stdlib amd64 2.7.6-8ubuntu0.3 [1,873 kB]
Get:21 http://us.archive.ubuntu.com/ubuntu/ trusty-updates/main python2.7-minimal amd64 2.7.6-8ubuntu0.3 [1,187 kB]
Get:22 http://us.archive.ubuntu.com/ubuntu/ trusty-updates/main libpython2.7-minimal amd64 2.7.6-8ubuntu0.3 [307 kB]
Get:23 http://us.archive.ubuntu.com/ubuntu/ trusty-proposed/main ubuntu-drivers-common amd64 1:0.2.91.12 [48.5 kB]
Get:24 http://us.archive.ubuntu.com/ubuntu/ trusty-updates/main gstreamer1.0-plugins-good amd64 1.2.4-1~ubuntu1.1 [1,285 kB]
Get:25 http://us.archive.ubuntu.com/ubuntu/ trusty-updates/main libgstreamer-plugins-good1.0-0 amd64 1.2.4-1~ubuntu1.1 [31.9 kB]
Get:26 http://us.archive.ubuntu.com/ubuntu/ trusty-updates/main gir1.2-gstreamer-1.0 amd64 1.2.4-0ubuntu1.1 [65.7 kB]
Get:27 http://us.archive.ubuntu.com/ubuntu/ trusty-updates/main gstreamer0.10-pulseaudio amd64 0.10.31-3+nmu1ubuntu5.1 [99.8 kB]
Get:28 http://us.archive.ubuntu.com/ubuntu/ trusty-updates/main gstreamer1.0-pulseaudio amd64 1.2.4-1~ubuntu1.1 [49.4 kB]
Get:29 http://us.archive.ubuntu.com/ubuntu/ trusty-updates/main gstreamer1.0-tools amd64 1.2.4-0ubuntu1.1 [37.1 kB]
Get:30 http://us.archive.ubuntu.com/ubuntu/ trusty-updates/main imagemagick amd64 8:6.7.7.10-6ubuntu3.2 [189 kB]
Fetched 56.0 MB in 40s (1,376 kB/s)
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Setting up gstreamer1.0-plugins-good:amd64 (1.2.4-1~ubuntu1.1) ...
Setting up cuda-repo-ubuntu1404 (8.0.44-1) ...
OK
Setting up gir1.2-gstreamer-1.0 (1.2.4-0ubuntu1.1) ...
Setting up gstreamer0.10-pulseaudio:amd64 (0.10.31-3+nmu1ubuntu5.1) ...
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Setting up imagemagick (8:6.7.7.10-6ubuntu3.2) ...
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