Generating locales...
  en_US.UTF-8... up-to-date
Generation complete.
pwconv: failed to change the mode of /etc/passwd- to 0600
Using CD-ROM mount point /cdrom/
Identifying... [e43474cf683052007cf222e9f7a3c104-2]
Scanning disc for index files...
Found 4 package indexes, 0 source indexes, 0 translation indexes and 1 signatures
Found label 'Kubuntu 14.04 LTS _Trusty Tahr_ - Daily amd64 (20140414)'
This disc is called: 
'Kubuntu 14.04 LTS _Trusty Tahr_ - Daily amd64 (20140414)'
Copying package lists...gpgv: Signature made Mon Apr 14 05:33:26 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:[Kubuntu 14.04 LTS _Trusty Tahr_ - Daily amd64 (20140414)]/ trusty main multiverse restricted universe
Repeat this process for the rest of the CDs in your set.