kubuntu 16.04 beta2 installer crashes

[Roman Kubli]

kubuntu 16.04 beta2 installer crashes while installing/setting up the keyboard.

ubiquity version:
ubiquity:
  Installed: 2.21.51
  Candidate: 2.21.57
  Version table:
     2.21.57 500
        500 http://archive.ubuntu.com/ubuntu xenial/main amd64 Packages
 *** 2.21.51 100
        100 /var/lib/dpkg/status

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: ubiquity 2.21.51
ProcVersionSignature: Ubuntu 4.4.0-15.31-generic 4.4.6
Uname: Linux 4.4.0-15-generic x86_64
ApportVersion: 2.20-0ubuntu3
Architecture: amd64
CasperVersion: 1.368
CurrentDesktop: KDE
Date: Sun Apr 17 16:00:00 2016
InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz.efi file=/cdrom/preseed/kubuntu.seed boot=casper maybe-ubiquity quiet splash ---
LiveMediaBuild: Kubuntu 16.04 LTS "Xenial Xerus" - Beta amd64 (20160323)
SourcePackage: ubiquity
UpgradeStatus: No upgrade log present (probably fresh install)

[Ubuntu Foundations Team Bug Bot (crichton)]

Exception during installation:
Apr 17 13:25:36 kubuntu /plugininstall.py: Traceback (most recent call last):
Apr 17 13:25:36 kubuntu /plugininstall.py: File "/usr/share/ubiquity/plugininstall.py", line 1778, in <module>
Apr 17 13:25:36 kubuntu /plugininstall.py: install.run()
Apr 17 13:25:36 kubuntu /plugininstall.py: File "/usr/share/ubiquity/plugininstall.py", line 78, in wrapper
Apr 17 13:25:36 kubuntu /plugininstall.py: func(self)
Apr 17 13:25:36 kubuntu /plugininstall.py: File "/usr/share/ubiquity/plugininstall.py", line 204, in run
Apr 17 13:25:36 kubuntu /plugininstall.py: self.configure_plugins()
Apr 17 13:25:36 kubuntu /plugininstall.py: File "/usr/share/ubiquity/plugininstall.py", line 570, in configure_plugins
Apr 17 13:25:36 kubuntu /plugininstall.py: self.run_plugin(plugin)
Apr 17 13:25:36 kubuntu /plugininstall.py: File "/usr/share/ubiquity/plugininstall.py", line 547, in run_plugin
Apr 17 13:25:36 kubuntu /plugininstall.py: "Plugin %s failed with code %s" % (plugin.NAME, ret))
Apr 17 13:25:36 kubuntu /plugininstall.py: ubiquity.install_misc.InstallStepError: Plugin console_setup failed with code 1
Apr 17 13:25:36 kubuntu /plugininstall.py:

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.