Yesterday I installed the all updates to hosts and Hosted Engine (and now I 
have oVirt Engine Version: 4.0.3-1.el7.centos)
But the problem still persists.

==>>> Is this happening consistently or randomly?

Consistently. every night.

==>>> Do you have any proxy server defined?

Yes. I add to end of ~/.bash_profile (for root) three lines:

export 
https_proxy=http://s-MY01-Linux-Upd:passw...@kom-ad01-gwclu.holding.com:3128/
export 
http_proxy=http://s-MY01-Linux-Upd:passw...@kom-ad01-gwclu.holding.com:3128/
export 
ftp_proxy=http://s-MY01-Linux-Upd:passw...@kom-ad01-gwclu.holding.com:3128/

==>>> anything special in yum.conf?

In yum.conf I changed just one parameter (installonly_limit)
Other parameters - default

# cat /etc/yum.conf | grep -v '^$\|^\s*\#'

[main]
cachedir=/var/cache/yum/$basearch/$releasever
keepcache=0
debuglevel=2
logfile=/var/log/yum.log
exactarch=1
obsoletes=1
gpgcheck=1
plugins=1
installonly_limit=3
bugtracker_url=http://bugs.centos.org/set_project.php?project_id=23&ref=http://bugs.centos.org/bug_report_page.php?category=yum
distroverpkg=centos-release

==>>> Perhaps you should try 'yum clean all', but it makes no sense since 
'update' worked for you.

I already tried "yum clean". Ineffectually

==>>> Is NetworkManager operational? Does it help if you disable it?

NetworkManager already off:

# service NetworkManager status

Redirecting to /bin/systemctl status  NetworkManager.service
● NetworkManager.service - Network Manager
   Loaded: loaded (/usr/lib/systemd/system/NetworkManager.service; disabled; 
vendor preset: enabled)
   Active: inactive (dead)

14.09.2016, 11:21, "Edward Haas" <eh...@redhat.com>:
> On Wed, Sep 14, 2016 at 8:21 AM, <aleksey.maksi...@it-kb.ru> wrote:
>> Hi oVirt guru`s!
>>
>> # getent ahosts mirrorlist.centos.org
>>
>> 216.176.179.218 STREAM mirrorlist.centos.org
>> 216.176.179.218 DGRAM
>> 216.176.179.218 RAW
>> 67.219.148.138  STREAM
>> 67.219.148.138  DGRAM
>> 67.219.148.138  RAW
>> 85.236.43.108   STREAM
>> 85.236.43.108   DGRAM
>> 85.236.43.108   RAW
>> 212.69.166.138  STREAM
>> 212.69.166.138  DGRAM
>> 212.69.166.138  RAW
>>
>> # ip addr | grep inet6
>>
>> (no output)
>
> This is indeed very strange.
> Is this happening consistently or randomly?
> Do you have any proxy server defined? anything special in yum.conf?
> Perhaps you should try 'yum clean all', but it makes no sense since 'update' 
> worked for you.
>
> Is NetworkManager operational? Does it help if you disable it?
>
>> 13.09.2016, 21:58, "Edward Haas" <eh...@redhat.com>:
>>> On Tue, Sep 13, 2016 at 12:55 PM, Martin Perina <mper...@redhat.com> wrote:
>>>> On Tue, Sep 13, 2016 at 10:59 AM, <aleksey.maksi...@it-kb.ru> wrote:
>>>>> nslookup resolves names on the engine and hosts without ipv6 address:
>>>>>
>>>>> # nslookup mirrorlist.centos.org
>>>>>
>>>>> Server:         10.1.0.10
>>>>> Address:        10.1.0.10#53
>>>>>
>>>>> Non-authoritative answer:
>>>>> Name:   mirrorlist.centos.org
>>>>> Address: 67.219.148.138
>>>>> Name:   mirrorlist.centos.org
>>>>> Address: 85.236.43.108
>>>>> Name:   mirrorlist.centos.org
>>>>> Address: 212.69.166.138
>>>>> Name:   mirrorlist.centos.org
>>>>> Address: 216.176.179.218
>>>>>
>>>>> Why oVirt updates checking process trying to use ipv6 ?
>>>>>
>>>>> 13.09.2016, 08:26, "aleksey.maksi...@it-kb.ru" 
>>>>> <aleksey.maksi...@it-kb.ru>:
>>>>>> Yesterday I changed the settings the host to:
>>>>>>
>>>>>> net.ipv6.conf.all.disable_ipv6 = 1
>>>>>> net.ipv6.conf.default.disable_ipv6 = 1
>>>>>>
>>>>>> I deleted the last two lines in /etc/sysctl.conf and rebooted host.
>>>>>>
>>>>>> Tonight - problem repeated:
>>>>>>
>>>>>> 2016-09-13 01:11:13 ERROR otopi.context context._executeMethod:151 
>>>>>> Failed to execute stage 'Environment packages setup': Cannot find a 
>>>>>> valid baseurl for repo: base/7/x86_64
>>>>>> 2016-09-13 01:11:13 DEBUG otopi.transaction transaction.abort:119 
>>>>>> aborting 'Yum Transaction'
>>>>>> 2016-09-13 01:11:13 INFO otopi.plugins.otopi.packagers.yumpackager 
>>>>>> yumpackager.info:80 Yum Performing yum transaction rollback
>>>>>> Could not retrieve mirrorlist 
>>>>>> http://mirrorlist.centos.org/?release=7&arch=x86_64&repo=os&infra=stock 
>>>>>> error was
>>>>>> 14: curl#7 - "Failed to connect to 2604:1580:fe02:2::10: Network is 
>>>>>> unreachable"
>>>>>>
>>>>>> Why so?
>>>>
>>>> ​Didi, any idea why otopi (or python underneath, not sure) is using IPv6​ 
>>>> addresses when IPv6 is disabled on the host?
>>>
>>> Could you please resolve it with "getent ahosts <name>" ?
>>> Please add the output from "ip addr", if you see there an IPv6 address, 
>>> something is enabling the ipv6 on that iface.
>>>
>>>>>>
>>>>>> 12.09.2016, 17:34, "Martin Perina" <mper...@redhat.com>:
>>>>>>> On Mon, Sep 12, 2016 at 3:34 PM, <aleksey.maksi...@it-kb.ru> wrote:
>>>>>>>> My /etc/sysctl.conf is:
>>>>>>>>
>>>>>>>> net.ipv6.conf.all.disable_ipv6 = 1
>>>>>>>> net.ipv6.conf.default.disable_ipv6 = 1
>>>>>>>> net.ipv6.conf.lo.disable_ipv6 = 0
>>>>>>>> net.ipv6.conf.ovirtmgmt.disable_ipv6 = 0
>>>>>>>
>>>>>>> ​I'm not networking expert, but last two lines means that you have IPv6 
>>>>>>> enabled on loopback and ovirtmgmt network interfaces (but disabled on 
>>>>>>> all others). So you shouldn't be surprised to get IPv6 address from DNS 
>>>>>>> resolver if ovirtmgmt supports IPv6. Dan/Edward, am I right?
>>>>>>> ​
>>>>>>>> Last two lines was added for 
>>>>>>>> http://lists.ovirt.org/pipermail/users/2016-July/041443.html
>>>>>>>>
>>>>>>>> My configuration file is bad ??
>>>>>>>>
>>>>>>>> 12.09.2016, 16:22, "Martin Perina" <mper...@redhat.com>:
>>>>>>>>> On Mon, Sep 12, 2016 at 2:49 PM, <aleksey.maksi...@it-kb.ru> wrote:
>>>>>>>>>> Ok. I found log-file 
>>>>>>>>>> /var/log/ovirt-engine/host-deploy/ovirt-host-mgmt-20160912020013-kom-ad01-vm31.holding.com-null.log
>>>>>>>>>>  with this:
>>>>>>>>>>
>>>>>>>>>> ...
>>>>>>>>>> 2016-09-12 02:00:13 ERROR otopi.plugins.otopi.packagers.yumpackager 
>>>>>>>>>> yumpackager.error:85 Yum Cannot queue package iproute: Cannot find a 
>>>>>>>>>> valid baseurl for repo: base/7/x86_64
>>>>>>>>>> 2016-09-12 02:00:13 DEBUG otopi.context context._executeMethod:142 
>>>>>>>>>> method exception
>>>>>>>>>> Traceback (most recent call last):
>>>>>>>>>>   File "/tmp/ovirt-B4lcSm14u9/pythonlib/otopi/context.py", line 132, 
>>>>>>>>>> in _executeMethod
>>>>>>>>>>     method['method']()
>>>>>>>>>>   File 
>>>>>>>>>> "/tmp/ovirt-B4lcSm14u9/otopi-plugins/otopi/network/hostname.py", 
>>>>>>>>>> line 54, in _internal_packages
>>>>>>>>>>     self.packager.install(packages=('iproute',))
>>>>>>>>>>   File 
>>>>>>>>>> "/tmp/ovirt-B4lcSm14u9/otopi-plugins/otopi/packagers/yumpackager.py",
>>>>>>>>>>  line 295, in install
>>>>>>>>>>     ignoreErrors=ignoreErrors
>>>>>>>>>>   File "/tmp/ovirt-B4lcSm14u9/pythonlib/otopi/miniyum.py", line 851, 
>>>>>>>>>> in install
>>>>>>>>>>     **kwargs
>>>>>>>>>>   File "/tmp/ovirt-B4lcSm14u9/pythonlib/otopi/miniyum.py", line 495, 
>>>>>>>>>> in _queue
>>>>>>>>>>     provides = self._queryProvides(packages=(package,))
>>>>>>>>>>   File "/tmp/ovirt-B4lcSm14u9/pythonlib/otopi/miniyum.py", line 433, 
>>>>>>>>>> in _queryProvides
>>>>>>>>>>     for po in self._yb.searchPackageProvides(args=packages):
>>>>>>>>>>   File "/usr/lib/python2.7/site-packages/yum/__init__.py", line 
>>>>>>>>>> 3429, in searchPackageProvides
>>>>>>>>>>     where = self.returnPackagesByDep(arg)
>>>>>>>>>>   File "/usr/lib/python2.7/site-packages/yum/__init__.py", line 
>>>>>>>>>> 4255, in returnPackagesByDep
>>>>>>>>>>     return self.pkgSack.searchProvides(depstring)
>>>>>>>>>>   File "/usr/lib/python2.7/site-packages/yum/__init__.py", line 
>>>>>>>>>> 1079, in <lambda>
>>>>>>>>>>     pkgSack = property(fget=lambda self: self._getSacks(),
>>>>>>>>>>   File "/usr/lib/python2.7/site-packages/yum/__init__.py", line 784, 
>>>>>>>>>> in _getSacks
>>>>>>>>>>     self.repos.populateSack(which=repos)
>>>>>>>>>>   File "/usr/lib/python2.7/site-packages/yum/repos.py", line 344, in 
>>>>>>>>>> populateSack
>>>>>>>>>>     self.doSetup()
>>>>>>>>>>   File "/usr/lib/python2.7/site-packages/yum/repos.py", line 158, in 
>>>>>>>>>> doSetup
>>>>>>>>>>     self.ayum.plugins.run('postreposetup')
>>>>>>>>>>   File "/usr/lib/python2.7/site-packages/yum/plugins.py", line 188, 
>>>>>>>>>> in run
>>>>>>>>>>     func(conduitcls(self, self.base, conf, **kwargs))
>>>>>>>>>>   File "/usr/lib/yum-plugins/fastestmirror.py", line 197, in 
>>>>>>>>>> postreposetup_hook
>>>>>>>>>>     if downgrade_ftp and _len_non_ftp(repo.urls) == 1:
>>>>>>>>>>   File "/usr/lib/python2.7/site-packages/yum/yumRepo.py", line 871, 
>>>>>>>>>> in <lambda>
>>>>>>>>>>     urls = property(fget=lambda self: self._geturls(),
>>>>>>>>>>   File "/usr/lib/python2.7/site-packages/yum/yumRepo.py", line 868, 
>>>>>>>>>> in _geturls
>>>>>>>>>>     self._baseurlSetup()
>>>>>>>>>>   File "/usr/lib/python2.7/site-packages/yum/yumRepo.py", line 834, 
>>>>>>>>>> in _baseurlSetup
>>>>>>>>>>     self.check()
>>>>>>>>>>   File "/usr/lib/python2.7/site-packages/yum/yumRepo.py", line 554, 
>>>>>>>>>> in check
>>>>>>>>>>     'Cannot find a valid baseurl for repo: %s' % self.ui_id
>>>>>>>>>> RepoError: Cannot find a valid baseurl for repo: base/7/x86_64
>>>>>>>>>> 2016-09-12 02:00:13 ERROR otopi.context context._executeMethod:151 
>>>>>>>>>> Failed to execute stage 'Environment packages setup': Cannot find a 
>>>>>>>>>> valid baseurl for repo: base/7/x86_64
>>>>>>>>>> 2016-09-12 02:00:13 DEBUG otopi.transaction transaction.abort:119 
>>>>>>>>>> aborting 'Yum Transaction'
>>>>>>>>>> 2016-09-12 02:00:13 INFO otopi.plugins.otopi.packagers.yumpackager 
>>>>>>>>>> yumpackager.info:80 Yum Performing yum transaction rollback
>>>>>>>>>> Could not retrieve mirrorlist 
>>>>>>>>>> http://mirrorlist.centos.org/?release=7&arch=x86_64&repo=os&infra=stock
>>>>>>>>>>  error was
>>>>>>>>>> 14: curl#7 - "Failed to connect to 2604:1580:fe02:2::10: Network is 
>>>>>>>>>> unreachable"
>>>>>>>>>> Loaded plugins: fastestmirror
>>>>>>>>>> 2016-09-12 02:00:13 DEBUG otopi.context context.dumpEnvironment:760 
>>>>>>>>>> ENVIRONMENT DUMP - BEGIN
>>>>>>>>>> 2016-09-12 02:00:13 DEBUG otopi.context context.dumpEnvironment:770 
>>>>>>>>>> ENV BASE/error=bool:'True'
>>>>>>>>>> 2016-09-12 02:00:13 DEBUG otopi.context context.dumpEnvironment:770 
>>>>>>>>>> ENV BASE/exceptionInfo=list:'[(<class 'yum.Errors.RepoError'>, 
>>>>>>>>>> RepoError(), <traceback object at 0x7f7002252f80>)]'
>>>>>>>>>> 2016-09-12 02:00:13 DEBUG otopi.context context.dumpEnvironment:774 
>>>>>>>>>> ENVIRONMENT DUMP - END
>>>>>>>>>> ...
>>>>>>>>>>
>>>>>>>>>> He's trying to use ipv6 connection ??
>>>>>>>>>> But, I have not ipv6 networks and my hosts/engine used only ipv4 
>>>>>>>>>> settings.
>>>>>>>>>
>>>>>>>>> ​Hmm, it seems to me that you don't have IPv6 disabled properly, as 
>>>>>>>>> your DNS resolver returns you IPv6 addresses. Please take a look at:
>>>>>>>>>
>>>>>>>>> https://wiki.centos.org/FAQ/CentOS7#head-8984faf811faccca74c7bcdd74de7467f2fcd8ee
>>>>>>>>> ​
>>>>>>>>>
>>>>>>>>>> 12.09.2016, 15:45, "Martin Perina" <mper...@redhat.com>:
>>>>>>>>>>>> ​2016-09-12 02:00:13,388 INFO 
>>>>>>>>>>>> [org.ovirt.engine.core.bll.hostdeploy.VdsDeployBase] (VdsDeploy) 
>>>>>>>>>>>> [] Retrieving installation logs to: 
>>>>>>>>>>>> '/var/log/ovirt-engine/host-deploy/ovirt-host-mgmt-20160912020013-kom-ad01-vm31.holding.com-null.l$
>>>>>>>>>>>
>>>>>>>>>>> This is most probably the log file where details of the issue can 
>>>>>>>>>>> be found
>>>>>>>>>>>
>>>>>>>>>>> On Mon, Sep 12, 2016 at 2:35 PM, Yedidyah Bar David 
>>>>>>>>>>> <d...@redhat.com> wrote:
>>>>>>>>>>>> On Mon, Sep 12, 2016 at 3:08 PM,  <aleksey.maksi...@it-kb.ru> 
>>>>>>>>>>>> wrote:
>>>>>>>>>>>>>
>>>>>>>>>>>>> Excuse me. I do not understand. What I should do?
>>>>>>>>>>>>> The directory /var/log/ovirt-engine/host-deploy many different 
>>>>>>>>>>>>> log files
>>>>>>>>>>>>
>>>>>>>>>>>> Please check the one from a time where you see this error.
>>>>>>>>>>>>
>>>>>>>>>>>> Every run of host-deploy creates its own log file.
>>>>>>>>>>>>
>>>>>>>>>>>> Best,
>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>> 12.09.2016, 14:59, "Yedidyah Bar David" <d...@redhat.com>:
>>>>>>>>>>>>>> On Mon, Sep 12, 2016 at 11:17 AM, <aleksey.maksi...@it-kb.ru> 
>>>>>>>>>>>>>> wrote:
>>>>>>>>>>>>>>>  # yum install iproute
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>  Loaded plugins: fastestmirror
>>>>>>>>>>>>>>>  Loading mirror speeds from cached hostfile
>>>>>>>>>>>>>>>   * base: mirror.awanti.com
>>>>>>>>>>>>>>>   * elrepo: dfw.mirror.rackspace.com
>>>>>>>>>>>>>>>   * epel: epel.besthosting.ua
>>>>>>>>>>>>>>>   * extras: centos-mirror.rbc.ru
>>>>>>>>>>>>>>>   * ovirt-4.0: ftp.nluug.nl
>>>>>>>>>>>>>>>   * ovirt-4.0-epel: epel.besthosting.ua
>>>>>>>>>>>>>>>   * updates: centos-mirror.rbc.ru
>>>>>>>>>>>>>>>  Package iproute-3.10.0-54.el7_2.1.x86_64 already installed and 
>>>>>>>>>>>>>>>latest version
>>>>>>>>>>>>>>>  Nothing to do
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>  # ls -la /etc/yum.repos.d/
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>  total 76
>>>>>>>>>>>>>>>  drwxr-xr-x. 2 root root 4096 Jul 26 14:08 .
>>>>>>>>>>>>>>>  drwxr-xr-x. 102 root root 12288 Sep 12 11:00 ..
>>>>>>>>>>>>>>>  -rw-r--r--. 1 root root 1664 Dec 9 2015 CentOS-Base.repo
>>>>>>>>>>>>>>>  -rw-r--r--. 1 root root 1309 Dec 9 2015 CentOS-CR.repo
>>>>>>>>>>>>>>>  -rw-r--r--. 1 root root 649 Dec 9 2015 CentOS-Debuginfo.repo
>>>>>>>>>>>>>>>  -rw-r--r--. 1 root root 290 Dec 9 2015 CentOS-fasttrack.repo
>>>>>>>>>>>>>>>  -rw-r--r--. 1 root root 630 Dec 9 2015 CentOS-Media.repo
>>>>>>>>>>>>>>>  -rw-r--r--. 1 root root 1331 Dec 9 2015 CentOS-Sources.repo
>>>>>>>>>>>>>>>  -rw-r--r--. 1 root root 1952 Dec 9 2015 CentOS-Vault.repo
>>>>>>>>>>>>>>>  -rw-r--r--. 1 root root 2150 May 21 2014 elrepo.repo
>>>>>>>>>>>>>>>  -rw-r--r--. 1 root root 957 Jun 3 16:52 epel.repo
>>>>>>>>>>>>>>>  -rw-r--r--. 1 root root 1056 Jun 3 16:52 epel-testing.repo
>>>>>>>>>>>>>>>  -rw-r--r--. 1 root root 383 Jul 21 10:44 HP-MCP.repo
>>>>>>>>>>>>>>>  -rw-r--r--. 1 root root 446 Jul 21 10:45 HP-SPP-2014-06.repo
>>>>>>>>>>>>>>>  -rw-r--r--. 1 root root 417 Jul 21 10:44 HP-SPP-Current.repo
>>>>>>>>>>>>>>>  -rw-r--r--. 1 root root 1678 Jul 26 14:08 
>>>>>>>>>>>>>>>ovirt-4.0-dependencies.repo
>>>>>>>>>>>>>>>  -rw-r--r--. 1 root root 289 Jul 26 14:08 ovirt-4.0.repo
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>  Which repo file you are interested in?
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> The one(s) that has in it '[base]'. Also, you might find more
>>>>>>>>>>>>>> details in the host-deploy log, in 
>>>>>>>>>>>>>> /var/log/ovirt-engine/host-deploy .
>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>  12.09.2016, 11:14, "Yedidyah Bar David" <d...@redhat.com>:
>>>>>>>>>>>>>>>>  On Mon, Sep 12, 2016 at 10:59 AM, <aleksey.maksi...@it-kb.ru> 
>>>>>>>>>>>>>>>>wrote:
>>>>>>>>>>>>>>>>>   Hi, Martin.
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>   The command is executed successfully:
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>   Updated:
>>>>>>>>>>>>>>>>>     vdsm.x86_64 0:4.18.12-1.el7 vdsm-cli.noarch 
>>>>>>>>>>>>>>>>>0:4.18.12-1.el7
>>>>>>>>>>>>>>>>>   Dependency Updated:
>>>>>>>>>>>>>>>>>     vdsm-api.noarch 0:4.18.12-1.el7 
>>>>>>>>>>>>>>>>>vdsm-hook-vmfex-dev.noarch 0:4.18.12-1.el7 vdsm-infra.noarch 
>>>>>>>>>>>>>>>>>0:4.18.12-1.el7
>>>>>>>>>>>>>>>>>     vdsm-jsonrpc.noarch 0:4.18.12-1.el7 vdsm-python.noarch 
>>>>>>>>>>>>>>>>>0:4.18.12-1.el7 vdsm-xmlrpc.noarch 0:4.18.12-1.el7
>>>>>>>>>>>>>>>>>     vdsm-yajsonrpc.noarch 0:4.18.12-1.el7
>>>>>>>>>>>>>>>>>   Complete!
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>   12.09.2016, 10:47, "Martin Perina" <mper...@redhat.com>:
>>>>>>>>>>>>>>>>>>   Hi Aleksey,
>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>   the error message is raised by Host upgrade manager (more 
>>>>>>>>>>>>>>>>>>info at [1]) which checks for available package upgrades on 
>>>>>>>>>>>>>>>>>>the host.
>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>   It seems that you have somehow corrupted repository 
>>>>>>>>>>>>>>>>>>configuration of the host 'kom-ad01-vm31.holding.com':
>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>   2016-09-12 02:00:13,300 ERROR 
>>>>>>>>>>>>>>>>>>[org.ovirt.engine.core.bll.hostdeploy.VdsDeployBase] 
>>>>>>>>>>>>>>>>>>(VdsDeploy) [] Yum Cannot queue package iproute: Cannot find 
>>>>>>>>>>>>>>>>>>a valid baseurl for repo: base/7/x86_64
>>>>>>>>>>>>>>>>>>   2016-09-12 02:00:13,304 ERROR 
>>>>>>>>>>>>>>>>>>[org.ovirt.engine.core.bll.hostdeploy.VdsDeployBase] 
>>>>>>>>>>>>>>>>>>(VdsDeploy) [] Failed to execute stage 'Environment packages 
>>>>>>>>>>>>>>>>>>setup': Cannot find a valid baseurl for repo: base/7/x86_64
>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>   Could you please verify that you are able to successfully 
>>>>>>>>>>>>>>>>>>execute following commands on the host?
>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>     yum check-update
>>>>>>>>>>>>>>>>>>     yum update vdsm vdsm-cli
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>  Can you please try also:
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>  yum install iproute
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>  And also share your /etc/yum.repos.d/* ?
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>  Thanks.
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>   Thanks
>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>   Martin Perina
>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>   [1] 
>>>>>>>>>>>>>>>>>>http://www.ovirt.org/develop/release-management/features/engine/upgrademanager/
>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>   On Mon, Sep 12, 2016 at 9:20 AM, 
>>>>>>>>>>>>>>>>>><aleksey.maksi...@it-kb.ru> wrote:
>>>>>>>>>>>>>>>>>>>   Hello oVirt guru`s!
>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>   oVirt Engine Version: 4.0.1.1-1.el7.centos
>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>   Every day there is a message in web UI for one of my two 
>>>>>>>>>>>>>>>>>>>hosts:
>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>   "Failed to check for available updates on host 
>>>>>>>>>>>>>>>>>>>KOM-AD01-VM31 with message 'Command returned failure code 1 
>>>>>>>>>>>>>>>>>>>during SSH session 'root@
>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>   kom-ad01-vm31.holding.com''.
>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>   In /var/log/ovirt-engine/engine.log at this time:
>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>   ...
>>>>>>>>>>>>>>>>>>>   2016-09-12 01:59:45,045 INFO 
>>>>>>>>>>>>>>>>>>>[org.ovirt.engine.core.bll.hostdeploy.VdsDeployBase] 
>>>>>>>>>>>>>>>>>>>(VdsDeploy) [] Stage: Initializing
>>>>>>>>>>>>>>>>>>>   2016-09-12 01:59:45,055 INFO 
>>>>>>>>>>>>>>>>>>>[org.ovirt.engine.core.bll.hostdeploy.VdsDeployBase] 
>>>>>>>>>>>>>>>>>>>(VdsDeploy) [] Stage: Environment setup
>>>>>>>>>>>>>>>>>>>   2016-09-12 01:59:45,070 INFO 
>>>>>>>>>>>>>>>>>>>[org.ovirt.engine.core.bll.hostdeploy.VdsDeployBase] 
>>>>>>>>>>>>>>>>>>>(VdsDeploy) [] Stage: Environment packages setup
>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>   2016-09-12 02:00:13,300 ERROR 
>>>>>>>>>>>>>>>>>>>[org.ovirt.engine.core.bll.hostdeploy.VdsDeployBase] 
>>>>>>>>>>>>>>>>>>>(VdsDeploy) [] Yum Cannot queue package iproute: Cannot find 
>>>>>>>>>>>>>>>>>>>a valid baseurl for repo: base/7/x86_64
>>>>>>>>>>>>>>>>>>>   2016-09-12 02:00:13,304 ERROR 
>>>>>>>>>>>>>>>>>>>[org.ovirt.engine.core.bll.hostdeploy.VdsDeployBase] 
>>>>>>>>>>>>>>>>>>>(VdsDeploy) [] Failed to execute stage 'Environment packages 
>>>>>>>>>>>>>>>>>>>setup': Cannot find a valid baseurl for repo: base/7/x86_64
>>>>>>>>>>>>>>>>>>>   2016-09-12 02:00:13,304 INFO 
>>>>>>>>>>>>>>>>>>>[org.ovirt.engine.core.bll.hostdeploy.VdsDeployBase] 
>>>>>>>>>>>>>>>>>>>(VdsDeploy) [] Yum Performing yum transaction rollback
>>>>>>>>>>>>>>>>>>>   2016-09-12 02:00:13,368 INFO 
>>>>>>>>>>>>>>>>>>>[org.ovirt.engine.core.bll.hostdeploy.VdsDeployBase] 
>>>>>>>>>>>>>>>>>>>(VdsDeploy) [] Stage: Pre-termination
>>>>>>>>>>>>>>>>>>>   2016-09-12 02:00:13,388 INFO 
>>>>>>>>>>>>>>>>>>>[org.ovirt.engine.core.bll.hostdeploy.VdsDeployBase] 
>>>>>>>>>>>>>>>>>>>(VdsDeploy) [] Retrieving installation logs to: 
>>>>>>>>>>>>>>>>>>>'/var/log/ovirt-engine/host-deploy/ovirt-host-mgmt-20160912020013-kom-ad01-vm31.holding.com-null.l$
>>>>>>>>>>>>>>>>>>>   2016-09-12 02:00:13,459 INFO 
>>>>>>>>>>>>>>>>>>>[org.ovirt.engine.core.bll.hostdeploy.VdsDeployBase] 
>>>>>>>>>>>>>>>>>>>(VdsDeploy) [] Stage: Termination
>>>>>>>>>>>>>>>>>>>   2016-09-12 02:00:13,506 ERROR 
>>>>>>>>>>>>>>>>>>>[org.ovirt.engine.core.uutils.ssh.SSHDialog] 
>>>>>>>>>>>>>>>>>>>(DefaultQuartzScheduler5) [] SSH error running command 
>>>>>>>>>>>>>>>>>>>r...@kom-ad01-vm31.holding.com:'umask 0077; 
>>>>>>>>>>>>>>>>>>>MYTMP="$(TMPDIR="${OVIRT_TMPDIR}" mktemp -d -t 
>>>>>>>>>>>>>>>>>>>ovirt-XXXXXXXXXX)"; trap "chmod -R u+rwX \"${MYTMP}\" > 
>>>>>>>>>>>>>>>>>>>/dev/null 2>&1; rm -fr \"${MYTMP}\" > /dev/null 2>&1" 0; tar 
>>>>>>>>>>>>>>>>>>>--warning=no-timestamp -C "${MYTMP}" -x && 
>>>>>>>>>>>>>>>>>>>"${MYTMP}"/ovirt-host-mgmt DIALOG/dialect=str:machine 
>>>>>>>>>>>>>>>>>>>DIALOG/customization=bool:True': Command returned failure 
>>>>>>>>>>>>>>>>>>>code 1 during SSH session 'r...@kom-ad01-vm31.holding.com'
>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>   2016-09-12 02:00:13,506 ERROR 
>>>>>>>>>>>>>>>>>>>[org.ovirt.engine.core.uutils.ssh.SSHDialog] 
>>>>>>>>>>>>>>>>>>>(DefaultQuartzScheduler5) [] Exception: java.io.IOException: 
>>>>>>>>>>>>>>>>>>>Command returned failure code 1 during SSH session 
>>>>>>>>>>>>>>>>>>>'r...@kom-ad01-vm31.holding.com'
>>>>>>>>>>>>>>>>>>>           at 
>>>>>>>>>>>>>>>>>>>org.ovirt.engine.core.uutils.ssh.SSHClient.executeCommand(SSHClient.java:526)
>>>>>>>>>>>>>>>>>>> [uutils.jar:]
>>>>>>>>>>>>>>>>>>>           at 
>>>>>>>>>>>>>>>>>>>org.ovirt.engine.core.uutils.ssh.SSHDialog.executeCommand(SSHDialog.java:317)
>>>>>>>>>>>>>>>>>>> [uutils.jar:]
>>>>>>>>>>>>>>>>>>>           at 
>>>>>>>>>>>>>>>>>>>org.ovirt.engine.core.bll.hostdeploy.VdsDeployBase.execute(VdsDeployBase.java:563)
>>>>>>>>>>>>>>>>>>> [bll.jar:]
>>>>>>>>>>>>>>>>>>>           at 
>>>>>>>>>>>>>>>>>>>org.ovirt.engine.core.bll.host.HostUpgradeManager.isUpdateAvailable(HostUpgradeManager.java:44)
>>>>>>>>>>>>>>>>>>> [bll.jar:]
>>>>>>>>>>>>>>>>>>>           at 
>>>>>>>>>>>>>>>>>>>org.ovirt.engine.core.bll.host.AvailableUpdatesFinder.isUpdateAvailable(AvailableUpdatesFinder.java:26)
>>>>>>>>>>>>>>>>>>> [bll.jar:]
>>>>>>>>>>>>>>>>>>>           at 
>>>>>>>>>>>>>>>>>>>org.ovirt.engine.core.bll.VdsEventListener.isUpdateAvailable(VdsEventListener.java:553)
>>>>>>>>>>>>>>>>>>> [bll.jar:]
>>>>>>>>>>>>>>>>>>>           at 
>>>>>>>>>>>>>>>>>>>org.ovirt.engine.core.vdsbroker.ResourceManager.isUpdateAvailable(ResourceManager.java:510)
>>>>>>>>>>>>>>>>>>> [vdsbroker.jar:]
>>>>>>>>>>>>>>>>>>>           at 
>>>>>>>>>>>>>>>>>>>org.ovirt.engine.core.vdsbroker.VdsManager.availableUpdates(VdsManager.java:306)
>>>>>>>>>>>>>>>>>>> [vdsbroker.jar:]
>>>>>>>>>>>>>>>>>>>           at 
>>>>>>>>>>>>>>>>>>>sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 
>>>>>>>>>>>>>>>>>>>[rt.jar:1.8.0_101]
>>>>>>>>>>>>>>>>>>>           at 
>>>>>>>>>>>>>>>>>>>sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
>>>>>>>>>>>>>>>>>>> [rt.jar:1.8.0_101]
>>>>>>>>>>>>>>>>>>>           at 
>>>>>>>>>>>>>>>>>>>sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>>>>>>>>>>>>>>>>>>> [rt.jar:1.8.0_101]
>>>>>>>>>>>>>>>>>>>           at 
>>>>>>>>>>>>>>>>>>>java.lang.reflect.Method.invoke(Method.java:498) 
>>>>>>>>>>>>>>>>>>>[rt.jar:1.8.0_101]
>>>>>>>>>>>>>>>>>>>           at 
>>>>>>>>>>>>>>>>>>>org.ovirt.engine.core.utils.timer.JobWrapper.invokeMethod(JobWrapper.java:77)
>>>>>>>>>>>>>>>>>>> [scheduler.jar:]
>>>>>>>>>>>>>>>>>>>           at 
>>>>>>>>>>>>>>>>>>>org.ovirt.engine.core.utils.timer.JobWrapper.execute(JobWrapper.java:51)
>>>>>>>>>>>>>>>>>>> [scheduler.jar:]
>>>>>>>>>>>>>>>>>>>           at 
>>>>>>>>>>>>>>>>>>>org.quartz.core.JobRunShell.run(JobRunShell.java:213) 
>>>>>>>>>>>>>>>>>>>[quartz.jar:]
>>>>>>>>>>>>>>>>>>>           at 
>>>>>>>>>>>>>>>>>>>java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
>>>>>>>>>>>>>>>>>>> [rt.jar:1.8.0_101]
>>>>>>>>>>>>>>>>>>>           at 
>>>>>>>>>>>>>>>>>>>java.util.concurrent.FutureTask.run(FutureTask.java:266) 
>>>>>>>>>>>>>>>>>>>[rt.jar:1.8.0_101]
>>>>>>>>>>>>>>>>>>>           at 
>>>>>>>>>>>>>>>>>>>java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
>>>>>>>>>>>>>>>>>>> [rt.jar:1.8.0_101]
>>>>>>>>>>>>>>>>>>>           at 
>>>>>>>>>>>>>>>>>>>java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
>>>>>>>>>>>>>>>>>>> [rt.jar:1.8.0_101]
>>>>>>>>>>>>>>>>>>>           at java.lang.Thread.run(Thread.java:745) 
>>>>>>>>>>>>>>>>>>>[rt.jar:1.8.0_101]
>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>   2016-09-12 02:00:13,507 ERROR 
>>>>>>>>>>>>>>>>>>>[org.ovirt.engine.core.bll.hostdeploy.VdsDeployBase] 
>>>>>>>>>>>>>>>>>>>(DefaultQuartzScheduler5) [] Error during host 
>>>>>>>>>>>>>>>>>>>kom-ad01-vm31.holding.com install: java.io.IOException: 
>>>>>>>>>>>>>>>>>>>Command returned failure code 1 during SSH session 
>>>>>>>>>>>>>>>>>>>'r...@kom-ad01-vm31.holding.com'
>>>>>>>>>>>>>>>>>>>           at 
>>>>>>>>>>>>>>>>>>>org.ovirt.engine.core.uutils.ssh.SSHClient.executeCommand(SSHClient.java:526)
>>>>>>>>>>>>>>>>>>> [uutils.jar:]
>>>>>>>>>>>>>>>>>>>           at 
>>>>>>>>>>>>>>>>>>>org.ovirt.engine.core.uutils.ssh.SSHDialog.executeCommand(SSHDialog.java:317)
>>>>>>>>>>>>>>>>>>> [uutils.jar:]
>>>>>>>>>>>>>>>>>>>           at 
>>>>>>>>>>>>>>>>>>>org.ovirt.engine.core.bll.hostdeploy.VdsDeployBase.execute(VdsDeployBase.java:563)
>>>>>>>>>>>>>>>>>>> [bll.jar:]
>>>>>>>>>>>>>>>>>>>           at 
>>>>>>>>>>>>>>>>>>>org.ovirt.engine.core.bll.host.HostUpgradeManager.isUpdateAvailable(HostUpgradeManager.java:44)
>>>>>>>>>>>>>>>>>>> [bll.jar:]
>>>>>>>>>>>>>>>>>>>           at 
>>>>>>>>>>>>>>>>>>>org.ovirt.engine.core.bll.host.AvailableUpdatesFinder.isUpdateAvailable(AvailableUpdatesFinder.java:26)
>>>>>>>>>>>>>>>>>>> [bll.jar:]
>>>>>>>>>>>>>>>>>>>           at 
>>>>>>>>>>>>>>>>>>>org.ovirt.engine.core.bll.VdsEventListener.isUpdateAvailable(VdsEventListener.java:553)
>>>>>>>>>>>>>>>>>>> [bll.jar:]
>>>>>>>>>>>>>>>>>>>           at 
>>>>>>>>>>>>>>>>>>>org.ovirt.engine.core.vdsbroker.ResourceManager.isUpdateAvailable(ResourceManager.java:510)
>>>>>>>>>>>>>>>>>>> [vdsbroker.jar:]
>>>>>>>>>>>>>>>>>>>           at 
>>>>>>>>>>>>>>>>>>>org.ovirt.engine.core.vdsbroker.VdsManager.availableUpdates(VdsManager.java:306)
>>>>>>>>>>>>>>>>>>> [vdsbroker.jar:]
>>>>>>>>>>>>>>>>>>>           at 
>>>>>>>>>>>>>>>>>>>sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 
>>>>>>>>>>>>>>>>>>>[rt.jar:1.8.0_101]
>>>>>>>>>>>>>>>>>>>           at 
>>>>>>>>>>>>>>>>>>>sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
>>>>>>>>>>>>>>>>>>> [rt.jar:1.8.0_101]
>>>>>>>>>>>>>>>>>>>           at 
>>>>>>>>>>>>>>>>>>>sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>>>>>>>>>>>>>>>>>>> [rt.jar:1.8.0_101]
>>>>>>>>>>>>>>>>>>>           at 
>>>>>>>>>>>>>>>>>>>java.lang.reflect.Method.invoke(Method.java:498) 
>>>>>>>>>>>>>>>>>>>[rt.jar:1.8.0_101]
>>>>>>>>>>>>>>>>>>>           at 
>>>>>>>>>>>>>>>>>>>org.ovirt.engine.core.utils.timer.JobWrapper.invokeMethod(JobWrapper.java:77)
>>>>>>>>>>>>>>>>>>> [scheduler.jar:]
>>>>>>>>>>>>>>>>>>>           at 
>>>>>>>>>>>>>>>>>>>org.ovirt.engine.core.utils.timer.JobWrapper.execute(JobWrapper.java:51)
>>>>>>>>>>>>>>>>>>> [scheduler.jar:]
>>>>>>>>>>>>>>>>>>>           at 
>>>>>>>>>>>>>>>>>>>org.quartz.core.JobRunShell.run(JobRunShell.java:213) 
>>>>>>>>>>>>>>>>>>>[quartz.jar:]
>>>>>>>>>>>>>>>>>>>           at 
>>>>>>>>>>>>>>>>>>>java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
>>>>>>>>>>>>>>>>>>> [rt.jar:1.8.0_101]
>>>>>>>>>>>>>>>>>>>           at 
>>>>>>>>>>>>>>>>>>>java.util.concurrent.FutureTask.run(FutureTask.java:266) 
>>>>>>>>>>>>>>>>>>>[rt.jar:1.8.0_101]
>>>>>>>>>>>>>>>>>>>           at 
>>>>>>>>>>>>>>>>>>>java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
>>>>>>>>>>>>>>>>>>> [rt.jar:1.8.0_101]
>>>>>>>>>>>>>>>>>>>           at 
>>>>>>>>>>>>>>>>>>>java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
>>>>>>>>>>>>>>>>>>> [rt.jar:1.8.0_101]
>>>>>>>>>>>>>>>>>>>           at java.lang.Thread.run(Thread.java:745) 
>>>>>>>>>>>>>>>>>>>[rt.jar:1.8.0_101]
>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>   2016-09-12 02:00:13,512 ERROR 
>>>>>>>>>>>>>>>>>>>[org.ovirt.engine.core.bll.host.HostUpgradeManager] 
>>>>>>>>>>>>>>>>>>>(DefaultQuartzScheduler5) [] Failed to refresh host 
>>>>>>>>>>>>>>>>>>>'KOM-AD01-VM31' packages 'vdsm-cli, vdsm' availability.
>>>>>>>>>>>>>>>>>>>   2016-09-12 02:00:13,512 ERROR 
>>>>>>>>>>>>>>>>>>>[org.ovirt.engine.core.bll.host.HostUpgradeManager] 
>>>>>>>>>>>>>>>>>>>(DefaultQuartzScheduler5) [] Exception: java.io.IOException: 
>>>>>>>>>>>>>>>>>>>Command returned failure code 1 during SSH session 
>>>>>>>>>>>>>>>>>>>'r...@kom-ad01-vm31.holding.com'
>>>>>>>>>>>>>>>>>>>           at 
>>>>>>>>>>>>>>>>>>>org.ovirt.engine.core.uutils.ssh.SSHClient.executeCommand(SSHClient.java:526)
>>>>>>>>>>>>>>>>>>> [uutils.jar:]
>>>>>>>>>>>>>>>>>>>           at 
>>>>>>>>>>>>>>>>>>>org.ovirt.engine.core.uutils.ssh.SSHDialog.executeCommand(SSHDialog.java:317)
>>>>>>>>>>>>>>>>>>> [uutils.jar:]
>>>>>>>>>>>>>>>>>>>           at 
>>>>>>>>>>>>>>>>>>>org.ovirt.engine.core.bll.hostdeploy.VdsDeployBase.execute(VdsDeployBase.java:563)
>>>>>>>>>>>>>>>>>>> [bll.jar:]
>>>>>>>>>>>>>>>>>>>           at 
>>>>>>>>>>>>>>>>>>>org.ovirt.engine.core.bll.host.HostUpgradeManager.isUpdateAvailable(HostUpgradeManager.java:44)
>>>>>>>>>>>>>>>>>>> [bll.jar:]
>>>>>>>>>>>>>>>>>>>           at 
>>>>>>>>>>>>>>>>>>>org.ovirt.engine.core.bll.host.AvailableUpdatesFinder.isUpdateAvailable(AvailableUpdatesFinder.java:26)
>>>>>>>>>>>>>>>>>>> [bll.jar:]
>>>>>>>>>>>>>>>>>>>           at 
>>>>>>>>>>>>>>>>>>>org.ovirt.engine.core.bll.VdsEventListener.isUpdateAvailable(VdsEventListener.java:553)
>>>>>>>>>>>>>>>>>>> [bll.jar:]
>>>>>>>>>>>>>>>>>>>           at 
>>>>>>>>>>>>>>>>>>>org.ovirt.engine.core.vdsbroker.ResourceManager.isUpdateAvailable(ResourceManager.java:510)
>>>>>>>>>>>>>>>>>>> [vdsbroker.jar:]
>>>>>>>>>>>>>>>>>>>           at 
>>>>>>>>>>>>>>>>>>>org.ovirt.engine.core.vdsbroker.VdsManager.availableUpdates(VdsManager.java:306)
>>>>>>>>>>>>>>>>>>> [vdsbroker.jar:]
>>>>>>>>>>>>>>>>>>>           at 
>>>>>>>>>>>>>>>>>>>sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 
>>>>>>>>>>>>>>>>>>>[rt.jar:1.8.0_101]
>>>>>>>>>>>>>>>>>>>           at 
>>>>>>>>>>>>>>>>>>>sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
>>>>>>>>>>>>>>>>>>> [rt.jar:1.8.0_101]
>>>>>>>>>>>>>>>>>>>           at 
>>>>>>>>>>>>>>>>>>>sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>>>>>>>>>>>>>>>>>>> [rt.jar:1.8.0_101]
>>>>>>>>>>>>>>>>>>>           at 
>>>>>>>>>>>>>>>>>>>java.lang.reflect.Method.invoke(Method.java:498) 
>>>>>>>>>>>>>>>>>>>[rt.jar:1.8.0_101]
>>>>>>>>>>>>>>>>>>>           at 
>>>>>>>>>>>>>>>>>>>org.ovirt.engine.core.utils.timer.JobWrapper.invokeMethod(JobWrapper.java:77)
>>>>>>>>>>>>>>>>>>> [scheduler.jar:]
>>>>>>>>>>>>>>>>>>>           at 
>>>>>>>>>>>>>>>>>>>org.ovirt.engine.core.utils.timer.JobWrapper.execute(JobWrapper.java:51)
>>>>>>>>>>>>>>>>>>> [scheduler.jar:]
>>>>>>>>>>>>>>>>>>>           at 
>>>>>>>>>>>>>>>>>>>org.quartz.core.JobRunShell.run(JobRunShell.java:213) 
>>>>>>>>>>>>>>>>>>>[quartz.jar:]
>>>>>>>>>>>>>>>>>>>           at 
>>>>>>>>>>>>>>>>>>>java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
>>>>>>>>>>>>>>>>>>> [rt.jar:1.8.0_101]
>>>>>>>>>>>>>>>>>>>           at 
>>>>>>>>>>>>>>>>>>>java.util.concurrent.FutureTask.run(FutureTask.java:266) 
>>>>>>>>>>>>>>>>>>>[rt.jar:1.8.0_101]
>>>>>>>>>>>>>>>>>>>           at 
>>>>>>>>>>>>>>>>>>>java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
>>>>>>>>>>>>>>>>>>> [rt.jar:1.8.0_101]
>>>>>>>>>>>>>>>>>>>           at 
>>>>>>>>>>>>>>>>>>>java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
>>>>>>>>>>>>>>>>>>> [rt.jar:1.8.0_101]
>>>>>>>>>>>>>>>>>>>           at java.lang.Thread.run(Thread.java:745) 
>>>>>>>>>>>>>>>>>>>[rt.jar:1.8.0_101]
>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>   2016-09-12 02:00:13,513 ERROR 
>>>>>>>>>>>>>>>>>>>[org.ovirt.engine.core.vdsbroker.VdsManager] 
>>>>>>>>>>>>>>>>>>>(DefaultQuartzScheduler5) [] Failed to check if updates are 
>>>>>>>>>>>>>>>>>>>available for host 'KOM-AD01-VM31'
>>>>>>>>>>>>>>>>>>>   2016-09-12 02:00:13,518 ERROR 
>>>>>>>>>>>>>>>>>>>[org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector]
>>>>>>>>>>>>>>>>>>> (DefaultQuartzScheduler5) [] Correlation ID: null, Call 
>>>>>>>>>>>>>>>>>>>Stack: null, Custom Event ID: -1, Message: Failed to check 
>>>>>>>>>>>>>>>>>>>for available updates on host KOM-AD01-VM31 with message 
>>>>>>>>>>>>>>>>>>>'Command returned failure code 1 during SSH session 
>>>>>>>>>>>>>>>>>>>'r...@kom-ad01-vm31.holding.com''.
>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>   ...
>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>   What could be the problem?
>>>>>>>>>>>>>>>>>>>   _______________________________________________
>>>>>>>>>>>>>>>>>>>   Users mailing list
>>>>>>>>>>>>>>>>>>>   Users@ovirt.org
>>>>>>>>>>>>>>>>>>>   http://lists.ovirt.org/mailman/listinfo/users
>>>>>>>>>>>>>>>>>   _______________________________________________
>>>>>>>>>>>>>>>>>   Users mailing list
>>>>>>>>>>>>>>>>>   Users@ovirt.org
>>>>>>>>>>>>>>>>>   http://lists.ovirt.org/mailman/listinfo/users
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>  --
>>>>>>>>>>>>>>>>  Didi
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> --
>>>>>>>>>>>>>> Didi
>>>>>>>>>>>>
>>>>>>>>>>>> --
>>>>>>>>>>>> Didi
>>
>> _______________________________________________
>> Users mailing list
>> Users@ovirt.org
>> http://lists.ovirt.org/mailman/listinfo/users
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