Thanks for the workaround.
I was doing a fresh install and tried various settings to make ubuntu boot with 
uefi on a lenovo thinkpad T440s.
Installing the efibootmgr from 14.04 worked fine, you can get it here:
http://packages.ubuntu.com/de/trusty/amd64/efibootmgr/download

I use apt-get, so "sudo apt-mark hold efibootmgr" helped to avoid
updates.

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https://bugs.launchpad.net/bugs/1387654

Title:
  installing or upgrading to Ubuntu 14.10 kills Boot Manager on ThinkPad
  W540

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