I'm seeing now this failure on multiple untreated patches.

Seems to be related to these patches merged today:

https://gerrit.ovirt.org/#/q/topic:ip_refactoring+is:merged

21:04:36 ======================================================================
21:04:36 FAIL: test_add_delete_and_read_rule (network.ip_rule_test.TestIpRule)
21:04:36 ----------------------------------------------------------------------
21:04:36 Traceback (most recent call last):
21:04:36   File "/home/jenkins/workspace/vdsm_master_check-patch-el7-x86_64/vdsm/tests/network/ip_rule_test.py", line 47, in test_add_delete_and_read_rule
21:04:36     self.assertEqual(1, len(rules))
21:04:36 AssertionError: 1 != 2
21:04:36 -------------------- >> begin captured logging << --------------------
21:04:36 2017-05-12 21:04:18,381 DEBUG (MainThread) [root] /usr/bin/taskset --cpu-list 0-1 /sbin/ip rule add from all to 192.168.99.1 dev lo table main (cwd None) (commands:69)
21:04:36 2017-05-12 21:04:18,393 DEBUG (MainThread) [root] SUCCESS: <err> = ''; <rc> = 0 (commands:93)
21:04:36 2017-05-12 21:04:18,393 DEBUG (MainThread) [root] /usr/bin/taskset --cpu-list 0-1 /sbin/ip rule (cwd None) (commands:69)
21:04:36 2017-05-12 21:04:18,404 DEBUG (MainThread) [root] SUCCESS: <err> = ''; <rc> = 0 (commands:93)
21:04:36 2017-05-12 21:04:18,406 DEBUG (MainThread) [root] /usr/bin/taskset --cpu-list 0-1 /sbin/ip rule del from all to 192.168.99.1 dev lo table main (cwd None) (commands:69)
21:04:36 2017-05-12 21:04:18,417 DEBUG (MainThread) [root] SUCCESS: <err> = ''; <rc> = 0 (commands:93)
21:04:36 --------------------- >> end captured logging << ---------------------