This is not a bug with the software that provides the release upgrade, rather one with the system after the release upgrade. I'm switching the package to linux.
** Package changed: ubuntu-release-upgrader (Ubuntu) => linux (Ubuntu) -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1420867 Title: ubuntu 14.04 on thinkpad E440 Wifi card drops connection Status in linux package in Ubuntu: New Bug description: ubuntu 14.04 on thinkpad E440 Wifi card drops connection Always and i needto restart to get connected again ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: ubuntu-release-upgrader-core 1:0.220.6 ProcVersionSignature: Ubuntu 3.13.0-45.74-lowlatency 3.13.11-ckt13 Uname: Linux 3.13.0-45-lowlatency x86_64 ApportVersion: 2.14.1-0ubuntu3.6 Architecture: amd64 CrashDB: ubuntu CurrentDesktop: XFCE Date: Wed Feb 11 20:28:30 2015 InstallationDate: Installed on 2015-02-05 (5 days ago) InstallationMedia: Ubuntu-Studio 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.1) PackageArchitecture: all SourcePackage: ubuntu-release-upgrader Symptom: dist-upgrade UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1420867/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp