Thank you Nir.
I added an assert message to this last one.
It should not happen at all, it is very strange.

https://gerrit.ovirt.org/#/c/96849/

Thanks,
Edy.

On Sun, Jan 13, 2019 at 9:21 AM Nir Soffer <nsoffer@redhat.com> wrote:
Another network test that did not fail for long time, failed again today.
Build:
https://jenkins.ovirt.org/blue/rest/organizations/jenkins/pipelines/vdsm_standard-check-patch/runs/1484/nodes/127/steps/407/log/?start=0
======================================================================
FAIL: test_local_auto_with_static_address_without_ra_server (network.netinfo_test.TestIPv6Addresses)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/jenkins/workspace/vdsm_standard-check-patch/vdsm/tests/testValidation.py", line 333, in wrapper
    return f(*args, **kwargs)
  File "/home/jenkins/workspace/vdsm_standard-check-patch/vdsm/tests/testValidation.py", line 194, in wrapper
    return f(*args, **kwargs)
  File "/home/jenkins/workspace/vdsm_standard-check-patch/vdsm/tests/network/netinfo_test.py", line 399, in test_local_auto_with_static_address_without_ra_server
    self.assertEqual(2, len(ip_addrs))
AssertionError: 2 != 4
-------------------- >> begin captured logging << --------------------
2019-01-13 07:08:43,598 DEBUG (MainThread) [root] /sbin/ip link add name dummy_PU7TA type dummy (cwd None) (cmdutils:133)
2019-01-13 07:08:43,619 DEBUG (MainThread) [root] SUCCESS: <err> = ''; <rc> = 0 (cmdutils:141)
2019-01-13 07:08:43,624 DEBUG (netlink/events) [root] START thread <Thread(netlink/events, started daemon 139671724091136)> (func=<bound method Monitor._scan of <vdsm.network.netlink.monitor.Monitor object at 0x7f0817ca1610>>, args=(), kwargs={}) (concurrent:193)
2019-01-13 07:08:43,627 DEBUG (MainThread) [root] /sbin/ip link set dev dummy_PU7TA up (cwd None) (cmdutils:133)
2019-01-13 07:08:43,647 DEBUG (MainThread) [root] SUCCESS: <err> = ''; <rc> = 0 (cmdutils:141)
2019-01-13 07:08:43,653 DEBUG (netlink/events) [root] FINISH thread <Thread(netlink/events, started daemon 139671724091136)> (concurrent:196)
2019-01-13 07:08:43,655 DEBUG (MainThread) [root] /sbin/ip -6 addr add dev dummy_PU7TA 2001::88/64 (cwd None) (cmdutils:133)
2019-01-13 07:08:43,669 DEBUG (MainThread) [root] SUCCESS: <err> = ''; <rc> = 0 (cmdutils:141)
2019-01-13 07:08:43,677 DEBUG (MainThread) [root] /sbin/ip link del dev dummy_PU7TA (cwd None) (cmdutils:133)
2019-01-13 07:08:43,696 DEBUG (MainThread) [root] SUCCESS: <err> = ''; <rc> = 0 (cmdutils:141)
--------------------- >> end captured logging << ---------------------


On Fri, Jan 4, 2019 at 7:30 PM Nir Soffer <nsoffer@redhat.com> wrote:
We had this failure a lot in the past and it seems to be resolve, but I see it again today:
======================================================================
FAIL: test_add_delete_ipv6 (network.ip_address_test.IPAddressTest)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/jenkins/workspace/vdsm_standard-check-patch/vdsm/tests/testValidation.py", line 333, in wrapper
    return f(*args, **kwargs)
  File "/home/jenkins/workspace/vdsm_standard-check-patch/vdsm/tests/network/ip_address_test.py", line 226, in test_add_delete_ipv6
    self._test_add_delete(IPV6_A_WITH_PREFIXLEN, IPV6_B_WITH_PREFIXLEN)
  File "/home/jenkins/workspace/vdsm_standard-check-patch/vdsm/tests/network/ip_address_test.py", line 247, in _test_add_delete
    self._assert_has_no_address(nic, ip_b)
  File "/home/jenkins/workspace/vdsm_standard-check-patch/vdsm/tests/network/ip_address_test.py", line 344, in _assert_has_no_address
    self._assert_address_not_in(address_with_prefixlen, addresses)
  File "/home/jenkins/workspace/vdsm_standard-check-patch/vdsm/tests/network/ip_address_test.py", line 352, in _assert_address_not_in
    self.assertNotIn(address_with_prefixlen, addresses_list)
AssertionError: '2002:99::1/64' unexpectedly found in ['2002:99::1/64', '2001:99::1/64', 'fe80::6:23ff:fead:ed34/64']
-------------------- >> begin captured logging << --------------------
2019-01-04 16:01:53,543 DEBUG (MainThread) [root] /sbin/ip link add name dummy_NKzY1 type dummy (cwd None) (cmdutils:133)
2019-01-04 16:01:53,559 DEBUG (MainThread) [root] SUCCESS: <err> = ''; <rc> = 0 (cmdutils:141)
2019-01-04 16:01:53,563 DEBUG (netlink/events) [root] START thread <Thread(netlink/events, started daemon 139806010234624)> (func=<bound method Monitor._scan of <vdsm.network.netlink.monitor.Monitor object at 0x7f271d654cd0>>, args=(), kwargs={}) (concurrent:193)
2019-01-04 16:01:53,567 DEBUG (MainThread) [root] /sbin/ip link set dev dummy_NKzY1 up (cwd None) (cmdutils:133)
2019-01-04 16:01:53,586 DEBUG (MainThread) [root] SUCCESS: <err> = ''; <rc> = 0 (cmdutils:141)
2019-01-04 16:01:53,593 DEBUG (netlink/events) [root] FINISH thread <Thread(netlink/events, started daemon 139806010234624)> (concurrent:196)
2019-01-04 16:01:53,597 DEBUG (MainThread) [root] /sbin/ip -6 addr add dev dummy_NKzY1 2001:99::1/64 (cwd None) (cmdutils:133)
2019-01-04 16:01:53,615 DEBUG (MainThread) [root] SUCCESS: <err> = ''; <rc> = 0 (cmdutils:141)
2019-01-04 16:01:53,620 DEBUG (MainThread) [root] /sbin/ip -6 addr add dev dummy_NKzY1 2002:99::1/64 (cwd None) (cmdutils:133)
2019-01-04 16:01:53,632 DEBUG (MainThread) [root] SUCCESS: <err> = ''; <rc> = 0 (cmdutils:141)
2019-01-04 16:01:53,639 DEBUG (MainThread) [root] /sbin/ip -6 addr del dev dummy_NKzY1 2002:99::1/64 (cwd None) (cmdutils:133)
2019-01-04 16:01:53,656 DEBUG (MainThread) [root] SUCCESS: <err> = ''; <rc> = 0 (cmdutils:141)
2019-01-04 16:01:53,670 DEBUG (MainThread) [root] /sbin/ip link del dev dummy_NKzY1 (cwd None) (cmdutils:133)
2019-01-04 16:01:53,705 DEBUG (MainThread) [root] SUCCESS: <err> = ''; <rc> = 0 (cmdutils:141)
--------------------- >> end captured logging << ---------------------
Build: