Description of problem:
loginctl does not lock sessions with running "loginctl lock-sessions" as root or with sudo

Version-Release number of selected component (if applicable):

libgudev1.i686 0:201-2.fc18.7          
libgudev1.x86_64 0:201-2.fc18.7          
systemd.x86_64 0:201-2.fc18.7          
systemd-libs.i686 0:201-2.fc18.7    
systemd-libs.x86_64 0:201-2.fc18.7     
systemd-python.x86_64 0:201-2.fc18.7     
systemd-sysv.x86_64 0:201-2.fc18.7

How reproducible:
Every time

Steps to Reproduce:
1. run yum upgrade on Fedora 18 Desktop system (tested on x86_64 with Gnome3)
2. run "loginctl lock-sessions" as root or with sudo


Actual results:
session does not lock. no error output. 

Expected results:
session should lock to password prompt. 

Additional info:
downgrading to the below version of packages resolves the issue. 

libgudev1.i686 0:195-15.fc18           
libgudev1.x86_64 0:195-15.fc18           
systemd.x86_64 0:195-15.fc18           
systemd-libs.i686 0:195-15.fc18     
systemd-libs.x86_64 0:195-15.fc18      
systemd-python.x86_64 0:195-15.fc18      
systemd-sysv.x86_64 0:195-15.fc18

Note: This is also resolved in Fedora 19 Beta.