# apt-get -f install
Reading package lists... Done
Building dependency tree       
Reading state information... Done
0 upgraded, 0 newly installed, 0 to remove and 95 not upgraded.
3 not fully installed or removed.
After this operation, 0 B of additional disk space will be used.
E: Can not write log (Is /dev/pts mounted?) - posix_openpt (2: No such file or directory)
Setting up linux-image-4.3.0-7-generic (4.3.0-7.18) ...
Running depmod.
update-initramfs: deferring update (hook will be called later)
/bin/cp: cannot stat ‘/boot/initrd.img-4.3.0-7-generic’: No such file or directory
Failed to copy /boot/initrd.img-4.3.0-7-generic to /boot/initrd.img at /var/lib/dpkg/info/linux-image-4.3.0-7-generic.postinst line 745.
dpkg: error processing package linux-image-4.3.0-7-generic (--configure):
 subprocess installed post-installation script returned error exit status 2
dpkg: dependency problems prevent configuration of linux-image-generic:
 linux-image-generic depends on linux-image-4.3.0-7-generic; however:
  Package linux-image-4.3.0-7-generic is not configured yet.

dpkg: error processing package linux-image-generic (--configure):
 dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of linux-generic:
 linux-generic depends on linux-image-generic (= 4.3.0.7.8); however:
  Package linux-image-generic is not configured yet.

dpkg: error processing package linux-generic (--configure):
 dependency problems - leaving unconfigured
No apport report written because the error message indicates its a followup error from a previous failure.
No apport report written because the error message indicates its a followup error from a previous failure.
Errors were encountered while processing:
 linux-image-4.3.0-7-generic
 linux-image-generic
 linux-generic
E: Sub-process /usr/bin/dpkg returned an error code (1)