after upgrade impossible to login

[LAZA]

Package:
systemd-logind (?)

What i did:

- install Xubuntu 14.04.2 on my new machine
- do a full update, incl new kernel
- reboot --> works
- install what i need
--> reboot --> works

- upgrade to Xubuntu 15.04 with the installer
---> system does not boot, hangs after some seconds with:

systemd-logind[1057]: Failed to start unit [e-mail]: Unknown unit: [e-mail]
systemd-logind[1057]: Failed to start user service: Unknown unit: [e-mail]

Maybe similar to #1359439....

.

Xubuntu 15.04

upgrade after fresh install of Xubuntu 14.04.2

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