[ovirt-devel] [VDSM] New network test failure - ctypes.ArgumentError: argument 3: <class 'TypeError'>: wrong type

[Nir Soffer]

Failed only one patch when building 4, so this looks like
a random failure, but the error is disturbing.

See http://jenkins.ovirt.org/job/vdsm_master_check-patch-fc24-x86_64/2255/console

17:00:31 ======================================================================
17:00:31 ERROR: test_bond_create_failure_on_slave_add
(network.link_bond_test.LinkBondTests)
17:00:31 ----------------------------------------------------------------------
17:00:31 Traceback (most recent call last):
17:00:31   File
"/home/jenkins/workspace/vdsm_master_check-patch-fc24-x86_64/vdsm/tests/network/link_bond_test.py",
line 83, in test_bond_create_failure_on_slave_add
17:00:31     base_bond.add_slaves((nic1, nic2))
17:00:31   File
"/home/jenkins/workspace/vdsm_master_check-patch-fc24-x86_64/vdsm/lib/vdsm/network/link/bond.py",
line 153, in add_slaves
17:00:31     with _preserve_iface_state(slave):
17:00:31   File "/usr/lib64/python3.5/contextlib.py", line 59, in __enter__
17:00:31     return next(self.gen)
17:00:31   File
"/home/jenkins/workspace/vdsm_master_check-patch-fc24-x86_64/vdsm/lib/vdsm/network/link/bond.py",
line 214, in _preserve_iface_state
17:00:31     dev_was_up = iface.is_up(dev)
17:00:31   File
"/home/jenkins/workspace/vdsm_master_check-patch-fc24-x86_64/vdsm/lib/vdsm/network/link/iface.py",
line 54, in is_up
17:00:31     return is_admin_up(dev)
17:00:31   File
"/home/jenkins/workspace/vdsm_master_check-patch-fc24-x86_64/vdsm/lib/vdsm/network/link/iface.py",
line 58, in is_admin_up
17:00:31     return is_link_up(get_link(dev)['flags'], check_oper_status=False)
17:00:31   File
"/home/jenkins/workspace/vdsm_master_check-patch-fc24-x86_64/vdsm/lib/vdsm/network/netlink/link.py",
line 56, in get_link
17:00:31     with _get_link(name=name, sock=sock) as link:
17:00:31   File "/usr/lib64/python3.5/contextlib.py", line 59, in __enter__
17:00:31     return next(self.gen)
17:00:31   File
"/home/jenkins/workspace/vdsm_master_check-patch-fc24-x86_64/vdsm/lib/vdsm/network/netlink/link.py",
line 199, in _get_link
17:00:31     err = _rtnl_link_get_kernel(sock, index, name, byref(link))
17:00:31 ctypes.ArgumentError: argument 3: <class 'TypeError'>: wrong type
17:00:31 -------------------- >> begin captured logging << --------------------
17:00:31 2016-09-20 17:00:12,586 WARNING [py.warnings] (MainThread)
/usr/lib/python3.5/site-packages/nose/util.py:453: DeprecationWarning:
inspect.getargspec() is deprecated, use inspect.signature() instead
17:00:31   inspect.getargspec(func)
17:00:31  (inspect:1041)
17:00:31 2016-09-20 17:00:12,587 INFO  [root] (MainThread) Bond
check_7lzvb has been created. (bond:142)
17:00:31 2016-09-20 17:00:12,598 INFO  [root] (MainThread) Bond
check_7lzvb has been destroyed. (bond:149)
17:00:31 2016-09-20 17:00:12,598 DEBUG [root] (MainThread)
/usr/bin/taskset --cpu-list 0-15 /sbin/ip link add name dummy_Dmwc5
type dummy (cwd None) (commands:69)
17:00:31 2016-09-20 17:00:12,607 DEBUG [root] (MainThread) SUCCESS:
<err> = b''; <rc> = 0 (commands:93)
17:00:31 2016-09-20 17:00:12,608 DEBUG [root] (MainThread)
/usr/bin/taskset --cpu-list 0-15 /sbin/ip link add name dummy_xIK5C
type dummy (cwd None) (commands:69)
17:00:31 2016-09-20 17:00:12,615 DEBUG [root] (MainThread) SUCCESS:
<err> = b''; <rc> = 0 (commands:93)
17:00:31 2016-09-20 17:00:12,617 INFO  [root] (MainThread) Bond
bond_rwTTFu has been created. (bond:142)
17:00:31 2016-09-20 17:00:12,634 INFO  [root] (MainThread) Bond
bond_rwTTFu has been destroyed. (bond:149)
17:00:31 2016-09-20 17:00:12,634 DEBUG [root] (MainThread)
/usr/bin/taskset --cpu-list 0-15 /sbin/ip link del dev dummy_Dmwc5
(cwd None) (commands:69)
17:00:31 2016-09-20 17:00:12,658 DEBUG [root] (MainThread) SUCCESS:
<err> = b''; <rc> = 0 (commands:93)
17:00:31 2016-09-20 17:00:12,659 DEBUG [root] (MainThread)
/usr/bin/taskset --cpu-list 0-15 /sbin/ip link del dev dummy_xIK5C
(cwd None) (commands:69)
17:00:31 2016-09-20 17:00:12,676 DEBUG [root] (MainThread) SUCCESS:
<err> = b''; <rc> = 0 (commands:93)
17:00:31 --------------------- >> end captured logging << ---------------------