Traceback (most recent call last):
  File "/usr/lib/ubiquity/bin/ubiquity", line 587, in <module>
    main(oem_config)
  File "/usr/lib/ubiquity/bin/ubiquity", line 572, in main
    install(args[0], query=options.query)
  File "/usr/lib/ubiquity/bin/ubiquity", line 245, in install
    wizard = ui.Wizard(distro)
  File "/usr/lib/ubiquity/ubiquity/frontend/gtk_ui.py", line 316, in __init__
    self.customize_installer()
  File "/usr/lib/ubiquity/ubiquity/frontend/gtk_ui.py", line 829, in customize_installer
    None, 0, None, None)
  File "/usr/lib/python2.7/dist-packages/gi/types.py", line 43, in function
    return info.invoke(*args, **kwargs)
GError: Failed to execute child process "/bin/busybox" (No such file or directory)