INFRA ISSUE: [oVirt Jenkins] ovirt-engine_3.5_upgrade-from-3.4_merged - Build # 506 - Still Failing!

[Jenkins ci oVirt Server]

Project: http://jenkins.ovirt.org/job/ovirt-engine_3.5_upgrade-from-3.4_merged/ 
Build: http://jenkins.ovirt.org/job/ovirt-engine_3.5_upgrade-from-3.4_merged/506/
Build Number: 506
Build Status:  Still Failing
Triggered By: Triggered by Gerrit: http://gerrit.ovirt.org/31727

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Changes Since Last Success:
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Changes for Build #505
[Ravi Nori] webadmin: ENTER does not execute default command


Changes for Build #506
[Tal Nisan] core: Update COW preallocated images to COW sparse




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Failed Tests:
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No tests ran.