root@ubuntu:/var/cache/apt/archives# 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-headers-generic-lts-vivid
  linux-image-generic-lts-vivid sabnzbdplus sabnzbdplus-theme-glitter
  sabnzbdplus-theme-plush sabnzbdplus-theme-smpl
0 upgraded, 0 newly installed, 0 to remove and 7 not upgraded.
1 not fully installed or removed.
Need to get 0 B/37.6 kB of archives.
After this operation, 0 B of additional disk space will be used.
Do you want to continue? [Y/n] y
dpkg: error processing package at (--configure):
 package is in a very bad inconsistent state; you should
 reinstall it before attempting configuration
Errors were encountered while processing:
 at
E: Sub-process /usr/bin/dpkg returned an error code (1)