I reproduced this issue in ubuntu-13.10-desktop-amd64.iso.
Now, I found https://launchpad.net/ubuntu/+source/apt/0.9.9.1~ubuntu3.1/+build/5879608 . I will try downgrade test in ubuntu-13.10-desktop-amd64.iso + apt-get dist-upgrade + apt_0.9.9.1~ubuntu3.1 .
I reproduced this issue in ubuntu- 13.10-desktop- amd64.iso.
Now, I found https:/ /launchpad. net/ubuntu/ +source/ apt/0.9. 9.1~ubuntu3. 1/+build/ 5879608 . 13.10-desktop- amd64.iso + apt-get dist-upgrade + apt_0.9. 9.1~ubuntu3. 1 .
I will try downgrade test in ubuntu-