Neutron-fwaas development is stopped:
https://review.opendev.org/c/openstack/governance/+/735828/
** Changed in: neutron
Status: New => Won't Fix
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https://bugs.launchpad.net/bugs/1905552
Title:
neutron-fwaas netlink conntrack driver would catch error while
conntrack rules protocol is 'unknown'
Status in neutron:
Won't Fix
Bug description:
2020-11-25 11:07:32.606 127 DEBUG oslo_concurrency.lockutils
[req-ab14782d-80b1-43f6-8d1b-2874531aca5e - 9d40b483f885496896d81c487f420438 -
- -] Releasing semaphore
"iptables-qrouter-9e18395d-961d-46b3-a0e9-4c6a94c32baf" lock
/var/lib/kolla/venv/lib/python2.7/site-packages/oslo_concurrency/lockutils.py:228
2020-11-25 11:07:32.609 127 ERROR
neutron_fwaas.services.firewall.service_drivers.agents.drivers.linux.iptables_fwaas_v2
[req-ab14782d-80b1-43f6-8d1b-2874531aca5e - 9d40b483f885496896d81c487f420438 -
- -] Failed to update firewall: daedc38a-04ee-4818-b7a6-3d8311d7fc30: KeyError:
'unknown'
2020-11-25 11:07:32.609 127 ERROR
neutron_fwaas.services.firewall.service_drivers.agents.drivers.linux.iptables_fwaas_v2
Traceback (most recent call last):
2020-11-25 11:07:32.609 127 ERROR
neutron_fwaas.services.firewall.service_drivers.agents.drivers.linux.iptables_fwaas_v2
File
"/var/lib/kolla/venv/lib/python2.7/site-packages/neutron_fwaas/services/firewall/service_drivers/agents/drivers/linux/iptables_fwaas_v2.py",
line 144, in update_firewall_group
2020-11-25 11:07:32.609 127 ERROR
neutron_fwaas.services.firewall.service_drivers.agents.drivers.linux.iptables_fwaas_v2
apply_list, self.pre_firewall, firewall)
2020-11-25 11:07:32.609 127 ERROR
neutron_fwaas.services.firewall.service_drivers.agents.drivers.linux.iptables_fwaas_v2
File
"/var/lib/kolla/venv/lib/python2.7/site-packages/neutron_fwaas/services/firewall/service_drivers/agents/drivers/linux/iptables_fwaas_v2.py",
line 327, in _remove_conntrack_updated_firewall
2020-11-25 11:07:32.609 127 ERROR
neutron_fwaas.services.firewall.service_drivers.agents.drivers.linux.iptables_fwaas_v2
ipt_mgr.namespace)
2020-11-25 11:07:32.609 127 ERROR
neutron_fwaas.services.firewall.service_drivers.agents.drivers.linux.iptables_fwaas_v2
File
"/var/lib/kolla/venv/lib/python2.7/site-packages/neutron_fwaas/services/firewall/service_drivers/agents/drivers/linux/netlink_conntrack.py",
line 41, in delete_entries
2020-11-25 11:07:32.609 127 ERROR
neutron_fwaas.services.firewall.service_drivers.agents.drivers.linux.iptables_fwaas_v2
entries = nl_lib.list_entries(namespace)
2020-11-25 11:07:32.609 127 ERROR
neutron_fwaas.services.firewall.service_drivers.agents.drivers.linux.iptables_fwaas_v2
File
"/var/lib/kolla/venv/lib/python2.7/site-packages/oslo_privsep/priv_context.py",
line 207, in _wrap
2020-11-25 11:07:32.609 127 ERROR
neutron_fwaas.services.firewall.service_drivers.agents.drivers.linux.iptables_fwaas_v2
return self.channel.remote_call(name, args, kwargs)
2020-11-25 11:07:32.609 127 ERROR
neutron_fwaas.services.firewall.service_drivers.agents.drivers.linux.iptables_fwaas_v2
File
"/var/lib/kolla/venv/lib/python2.7/site-packages/oslo_privsep/daemon.py", line
202, in remote_call
2020-11-25 11:07:32.609 127 ERROR
neutron_fwaas.services.firewall.service_drivers.agents.drivers.linux.iptables_fwaas_v2
raise exc_type(*result[2])
2020-11-25 11:07:32.609 127 ERROR
neutron_fwaas.services.firewall.service_drivers.agents.drivers.linux.iptables_fwaas_v2
KeyError: 'unknown'
2020-11-25 11:07:32.609 127 ERROR
neutron_fwaas.services.firewall.service_drivers.agents.drivers.linux.iptables_fwaas_v2
This error appears when configured the neutron-fwaas v2 with
netlink_conntrack driver in fwaas_agent.ini
vim /etc/kolla/neutron-l3-agent/fwaas_driver.ini
[fwaas]
enabled = True
agent_version = v2
driver = iptables_v2
conntrack_driver = netlink_conntrack
And the conntrack list has 'unknown' rules, example below:
unknown 2 597 src=169.254.192.2 dst=224.0.0.22 [UNREPLIED] src=224.0.0.22
dst=169.254.192.2 mark=0 use=1
unknown 112 598 src=169.254.192.2 dst=224.0.0.18 [UNREPLIED] src=224.0.0.18
dst=169.254.192.2 mark=0 use=1
This may interrupt conntrack refresh when firewall rules update.
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