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Description of problem:
Disabled performance in cockpit doesn't work in node.

Version-Release number of selected component (if applicable):
ovirt-node-ng-installer-ovirt-3.6-2016042500.iso 
cockpit-0.103-1.el7.centos.x86_64
cockpit-ovirt-0.5.1-0.0.master.el7.centos.noarch

How reproducible:
100%

Steps to Reproduce:
1. Anaconda install NGN 4.0.
2. Start cockpit service.
3. Change the performance profile to none from cockpit.
4. Check the performance in node.
#tuned-adm active

Actual results:
1. After step4, the output is as follows and it's the former profile.
# tuned-adm active
Current active profile: latency-performance 

Expected results:
1. It should be disabled.

Additional info:

https://github.com/cockpit-project/cockpit/pull/4623

Included in 0.112. Over do Dominik for tracking the final release into RHEL.

Cockpit integration test here: https://github.com/cockpit-project/cockpit/blob/master/test/verify/check-tuned#L100

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://rhn.redhat.com/errata/RHBA-2016-1442.html