we see a lot of issues with setting iptables rule when preparing a host for a job:
2020-06-30 10:09:39.887078 | TASK [persistent-firewall : Persist ipv4 rules]
2020-06-30 10:09:40.034707 | primary | ERROR
2020-06-30 10:09:40.035937 | primary | {
2020-06-30 10:09:40.036571 | primary | "msg": "The task includes an option with an undefined variable. The error was: 'dict object' has no attribute 'stdout'\n\nThe error appears to be in '/var/lib/zuul/builds/7cdd1b201d0e462680ea7ac71d0777b6/untrusted/project_0/opendev.org/zuul/zuul-jobs/roles/persistent-firewall/tasks/persist/RedHat.yaml': line 1, column 3, but may\nbe elsewhere in the file depending on the exact syntax problem.\n\nThe offending line appears to be:\n\n\n- name: Persist ipv4 rules\n ^ here\n"
2020-06-30 10:09:40.036712 | primary | }
2020-06-30 10:09:41.637665 | secondary | changed
https://fa41114c73dc4ffe3f14-2bb0e09cfc1bf1e619272dff8ccf0e99.ssl.cf2.rackcdn.com/738557/2/check/tripleo-ci-centos-8-containers-multinode/7cdd1b2/job-output.txt
It causes jobs to retry again and again
from today: /56e72acce5e67d 635b2f- b5bb81507bf0dac ae1b327a9b41f47 8a.ssl. cf2.rackcdn. com/periodic/ opendev. org/openstack/ tripleo- quickstart- extras/ master/ tripleo- ci-centos- 8-containers- multinode- ussuri/ 1ea74dd/ job-output. txt
https:/
2020-07-01 07:29:04.673502 | primary | MODULE FAILURE
2020-07-01 07:29:07.845507 | TASK [persistent- firewall : Persist ipv4 rules] zuul/builds/ 1ea74dd63e4e48d 6a5b5266b67ecca 36/untrusted/ project_ 0/opendev. org/zuul/ zuul-jobs/ roles/persisten t-firewall/ tasks/persist/ RedHat. yaml': line 1, column 3, but may\nbe elsewhere in the file depending on the exact syntax problem.\n\nThe offending line appears to be:\n\n\n- name: Persist ipv4 rules\n ^ here\n"
2020-07-01 07:29:07.988329 | primary | ERROR
2020-07-01 07:29:07.989444 | primary | {
2020-07-01 07:29:07.989565 | primary | "msg": "The task includes an option with an undefined variable. The error was: 'dict object' has no attribute 'stdout'\n\nThe error appears to be in '/var/lib/
2020-07-01 07:29:07.989680 | primary | }
2020-07-01 07:29:09.888427 | secondary | changed
iptables-save for ipv4 fails to execute.