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Description of problem:
abrt-cli list failed due to can not connect dbus

Version-Release number of selected component (if applicable):
abrt-2.1.11-50.el7.x86_64.rpm 
RHEL-7.6-20180529.n.0 Server x86_64 

How reproducible:
often

Steps to Reproduce:
1. execute "abrt-cli list" on RHEL-7.6-20180529.n.0
Or clone the beaker job https://beaker.engineering.redhat.com/recipes/5220849#task72985561

Actual results:
# abrt-cli list
Can't connect to system DBus: Error calling StartServiceByName for org.freedesktop.problems: GDBus.Error:org.freedesktop.DBus.Error.Spawn.ChildSignaled: Process org.freedesktop.problems received signal 9

Expected results:
abrt-cli works

Additional info:

RHEL-7.5:
# uname -r
3.10.0-862.el7.x86_64
# abrt-cli list
The Autoreporting feature is disabled. Please consider enabling it by issuing
'abrt-auto-reporting enabled' as a user with root privileges

RHEL-7.6:
# uname -r
3.10.0-915.el7.x86_64
# abrt-cli list
Can't connect to system DBus: Error calling StartServiceByName for org.freedesktop.problems: GDBus.Error:org.freedesktop.DBus.Error.Spawn.ChildSignaled: Process org.freedesktop.problems received signal 9

So it is a regression, setting accordingly. 
But I tried updating abrt and abrt-cli on RHEL-7.5 to the ones on RHEL-7.6 and the result is the same (work on 7.5, fails on 7.6), so probably not an abrt regression. Not sure what cased it though, so leaving it to abrt. Please investigate and change component if needed.

versions tested on RHEL 7.5 / 7.6:
abrt-2.1.11-51.el7
abrt-cli-2.1.11-51.el7

Note: 'abrt-auto-reporting enabled' results in the same, just without the warning on 7.5.

Could be a dup of bz#1583080

I can confirm that this issue should be fixed with selinux-policy-3.13.1-205.el7.

*** This bug has been marked as a duplicate of bug 1583080 ***