stdin: Not a typewriter
unable to open '/dev/sdb'
mount: mounting /dev/sdb on /cdrom failed: Device or resource busy
unable to open '/dev/sde'
mount: mounting /dev/sde on /cdrom failed: Device or resource busy
Generating locales...
  en_US.UTF-8... done
Generation complete.
pwconv: failed to change the mode of /etc/passwd- to 0600
Using CD-ROM mount point /cdrom/
Identifying... [50c31e91d1ae3eb699542c99c632822c-2]
Scanning disc for index files...
Found 4 package indexes, 0 source indexes, 0 translation indexes and 1 signatures
Found label 'Ubuntu-GNOME 14.04 LTS _Trusty Tahr_ - Release amd64 (20140416.2)'
This disc is called: 
'Ubuntu-GNOME 14.04 LTS _Trusty Tahr_ - Release amd64 (20140416.2)'
Copying package lists...gpgv: Signature made Wed Apr 16 20:59:51 2014 UTC using DSA key ID FBB75451
gpgv: Good signature from "Ubuntu CD Image Automatic Signing Key <cdimage@ubuntu.com>"

Reading Package Indexes... 0%

Reading Package Indexes... Done
Writing new source list
Source list entries for this disc are:
deb cdrom:[Ubuntu-GNOME 14.04 LTS _Trusty Tahr_ - Release amd64 (20140416.2)]/ trusty main multiverse restricted universe
Repeat this process for the rest of the CDs in your set.