[openstack-dev] [neutron][SFC]
Mohan Kumar
nmohankumar1011 at gmail.com
Thu Jun 9 14:32:04 UTC 2016
Alioune,
logical-source-port is egress neutron-port of source vm , typically
flow-classifier will classifies packets coming to this neutron port and
forwards to the rest of port-chain if other classifier conditions are
matches.
Thanks.,
Mohankumar.N
On Thu, Jun 9, 2016 at 7:20 PM, Alioune <balioune3 at gmail.com> wrote:
> Thanks Mohan,
>
> After setting service_plugins and adding sfc tables to neutrondb, I can
> create port-pair, port-pair-group but classifier creation still claim a
> logical-source-port parameter.
>
> neutron flow-classifier-create --ethertype IPv4 --source-ip-prefix
> 55.55.55.2/32 --destination-ip-prefix 55.55.55.9/32 --protocol tcp
> --source-port 22:22 --destination-port 1:65000 FC1
> ERROR:
> neutron flow-classifier-create: error: argument --logical-source-port is
> required
> Try 'neutron help flow-classifier-create' for more information.
>
> Please someone can explain what does --logical-source-port correspond to ?
> Does the classifier require port-create like SF ?
>
> Regards,
>
>
> On 9 June 2016 at 09:21, Mohan Kumar <nmohankumar1011 at gmail.com> wrote:
>
>> Alioune,
>>
>> networking-sfc resources not installed / not reachable , If installation
>> is okay, Possibly you may missed service_plugins entry in *neutron.conf *(
>> in case of manual networking-sfc installation)
>>
>> it should be ,
>>
>> *service_plugins =
>> neutron.services.l3_router.l3_router_plugin.L3RouterPlugin,networking_sfc.services.flowclassifier.plugin.FlowClassifierPlugin,networking_sfc.services.sfc.plugin.SfcPlugin*
>>
>> *and restart q-svc services in screen -x *
>>
>> *Thanks.,*
>> *Mohankumar.N *
>>
>> On Thu, Jun 9, 2016 at 12:58 AM, Alioune <balioune3 at gmail.com> wrote:
>>
>>> I've switched from devstack to a normal deployment of openstack/mitaka
>>> and neutron-l2 agent is working fine with sfc. I can boot instances, create
>>> ports.
>>> However I can not create neither flow-classifier nor port-pair ...
>>>
>>> neutron flow-classifier-create --ethertype IPv4 --source-ip-prefix
>>> 22.1.20.1/32 --destination-ip-prefix 172.4.5.6/32 --protocol tcp
>>> --source-port 23:23 --destination-port 100:100 FC1
>>>
>>> returns: neutron flow-classifier-create: error: argument
>>> --logical-source-port is required
>>> Try 'neutron help flow-classifier-create' for more information.
>>>
>>> neutron port-pair-create --ingress=p1 --egress=p2 PP1
>>> 404 Not Found
>>>
>>> The resource could not be found.
>>>
>>> Neutron server returns request_ids:
>>> ['req-1bfd0983-4a61-4b32-90b3-252004d90e65']
>>>
>>> neutron --version
>>> 4.1.1
>>>
>>> p1,p2,p3,p4 have already been created, I can ping instances attached to
>>> these ports.
>>> Since I've not installed networking-sfc, are there additional config to
>>> set in neutron config files ?
>>> Or is it due to neutron-client version ?
>>>
>>> Regards
>>>
>>> On 8 June 2016 at 20:31, Mohan Kumar <nmohankumar1011 at gmail.com> wrote:
>>>
>>>> neutron agent not able to fetch details from ovsdb . Could you check
>>>> below options 1.restart ovsdb-server and execute ovs_vsctl list-br 2.
>>>> execute ovs- vsctl list-br manually and try to check error.
>>>>
>>>> 3. Could be ovs cleanup issue , please check the output of sudo service
>>>> openvswitch restart and /etc/init.d/openvswich** restart , both should be
>>>> same
>>>>
>>>> Thanks.,
>>>> Mohankumar.N
>>>> On Jun 7, 2016 6:04 PM, "Alioune" <balioune3 at gmail.com> wrote:
>>>>
>>>>> Hi Mohan/Cathy
>>>>> I've installed now ovs 2.4.0 and followed
>>>>> https://wiki.openstack.org/wiki/Neutron/ServiceInsertionAndChaining but
>>>>> I got this error :
>>>>> Regards,
>>>>>
>>>>> + neutron-ovs-cleanup
>>>>> 2016-06-07 11:25:36.465 22147 INFO neutron.common.config [-] Logging
>>>>> enabled!
>>>>> 2016-06-07 11:25:36.468 22147 INFO neutron.common.config [-]
>>>>> /usr/local/bin/neutron-ovs-cleanup version 7.1.1.dev4
>>>>> 2016-06-07 11:25:36.505 22147 ERROR neutron.agent.ovsdb.impl_vsctl [-]
>>>>> Unable to execute ['ovs-vsctl', '--timeout=10', '--oneline',
>>>>> '--format=json', '--', 'list-br'].
>>>>> 2016-06-07 11:25:36.505 22147 ERROR neutron.agent.ovsdb.impl_vsctl
>>>>> Traceback (most recent call last):
>>>>> 2016-06-07 11:25:36.505 22147 ERROR neutron.agent.ovsdb.impl_vsctl
>>>>> File "/opt/stack/neutron/neutron/agent/ovsdb/impl_vsctl.py", line 63, in
>>>>> run_vsctl
>>>>> 2016-06-07 11:25:36.505 22147 ERROR neutron.agent.ovsdb.impl_vsctl
>>>>> log_fail_as_error=False).rstrip()
>>>>> 2016-06-07 11:25:36.505 22147 ERROR neutron.agent.ovsdb.impl_vsctl
>>>>> File "/opt/stack/neutron/neutron/agent/linux/utils.py", line 159, in execute
>>>>> 2016-06-07 11:25:36.505 22147 ERROR neutron.agent.ovsdb.impl_vsctl
>>>>> raise RuntimeError(m)
>>>>> 2016-06-07 11:25:36.505 22147 ERROR neutron.agent.ovsdb.impl_vsctl
>>>>> RuntimeError:
>>>>> 2016-06-07 11:25:36.505 22147 ERROR neutron.agent.ovsdb.impl_vsctl
>>>>> Command: ['sudo', 'ovs-vsctl', '--timeout=10', '--oneline',
>>>>> '--format=json', '--', 'list-br']
>>>>> 2016-06-07 11:25:36.505 22147 ERROR neutron.agent.ovsdb.impl_vsctl
>>>>> Exit code: 1
>>>>> 2016-06-07 11:25:36.505 22147 ERROR neutron.agent.ovsdb.impl_vsctl
>>>>> 2016-06-07 11:25:36.505 22147 ERROR neutron.agent.ovsdb.impl_vsctl
>>>>> 2016-06-07 11:25:36.512 22147 CRITICAL neutron [-] RuntimeError:
>>>>> Command: ['sudo', 'ovs-vsctl', '--timeout=10', '--oneline',
>>>>> '--format=json', '--', 'list-br']
>>>>> Exit code: 1
>>>>>
>>>>> 2016-06-07 11:25:36.512 22147 ERROR neutron Traceback (most recent
>>>>> call last):
>>>>> 2016-06-07 11:25:36.512 22147 ERROR neutron File
>>>>> "/usr/local/bin/neutron-ovs-cleanup", line 10, in <module>
>>>>> 2016-06-07 11:25:36.512 22147 ERROR neutron sys.exit(main())
>>>>> 2016-06-07 11:25:36.512 22147 ERROR neutron File
>>>>> "/opt/stack/neutron/neutron/cmd/ovs_cleanup.py", line 89, in main
>>>>> 2016-06-07 11:25:36.512 22147 ERROR neutron ovs_bridges =
>>>>> set(ovs.get_bridges())
>>>>> 2016-06-07 11:25:36.512 22147 ERROR neutron File
>>>>> "/opt/stack/neutron/neutron/agent/common/ovs_lib.py", line 132, in
>>>>> get_bridges
>>>>> 2016-06-07 11:25:36.512 22147 ERROR neutron return
>>>>> self.ovsdb.list_br().execute(check_error=True)
>>>>> 2016-06-07 11:25:36.512 22147 ERROR neutron File
>>>>> "/opt/stack/neutron/neutron/agent/ovsdb/impl_vsctl.py", line 83, in execute
>>>>> 2016-06-07 11:25:36.512 22147 ERROR neutron txn.add(self)
>>>>> 2016-06-07 11:25:36.512 22147 ERROR neutron File
>>>>> "/opt/stack/neutron/neutron/agent/ovsdb/api.py", line 70, in __exit__
>>>>> 2016-06-07 11:25:36.512 22147 ERROR neutron self.result =
>>>>> self.commit()
>>>>> 2016-06-07 11:25:36.512 22147 ERROR neutron File
>>>>> "/opt/stack/neutron/neutron/agent/ovsdb/impl_vsctl.py", line 50, in commit
>>>>> 2016-06-07 11:25:36.512 22147 ERROR neutron res =
>>>>> self.run_vsctl(args)
>>>>> 2016-06-07 11:25:36.512 22147 ERROR neutron File
>>>>> "/opt/stack/neutron/neutron/agent/ovsdb/impl_vsctl.py", line 70, in
>>>>> run_vsctl
>>>>> 2016-06-07 11:25:36.512 22147 ERROR neutron ctxt.reraise = False
>>>>> 2016-06-07 11:25:36.512 22147 ERROR neutron File
>>>>> "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 204,
>>>>> in __exit__
>>>>> 2016-06-07 11:25:36.512 22147 ERROR neutron
>>>>> six.reraise(self.type_, self.value, self.tb)
>>>>> 2016-06-07 11:25:36.512 22147 ERROR neutron File
>>>>> "/opt/stack/neutron/neutron/agent/ovsdb/impl_vsctl.py", line 63, in
>>>>> run_vsctl
>>>>> 2016-06-07 11:25:36.512 22147 ERROR neutron
>>>>> log_fail_as_error=False).rstrip()
>>>>> 2016-06-07 11:25:36.512 22147 ERROR neutron File
>>>>> "/opt/stack/neutron/neutron/agent/linux/utils.py", line 159, in execute
>>>>> 2016-06-07 11:25:36.512 22147 ERROR neutron raise RuntimeError(m)
>>>>> 2016-06-07 11:25:36.512 22147 ERROR neutron RuntimeError:
>>>>> 2016-06-07 11:25:36.512 22147 ERROR neutron Command: ['sudo',
>>>>> 'ovs-vsctl', '--timeout=10', '--oneline', '--format=json', '--', 'list-br']
>>>>> 2016-06-07 11:25:36.512 22147 ERROR neutron Exit code: 1
>>>>> 2016-06-07 11:25:36.512 22147 ERROR neutron
>>>>> 2016-06-07 11:25:36.512 22147 ERROR neutron
>>>>> + exit_trap
>>>>> + local r=1
>>>>> ++ jobs -p
>>>>> + jobs=
>>>>> + [[ -n '' ]]
>>>>> + kill_spinner
>>>>> + '[' '!' -z '' ']'
>>>>> + [[ 1 -ne 0 ]]
>>>>> + echo 'Error on exit'
>>>>> Error on exit
>>>>> + generate-subunit 1465296797 1939 fail
>>>>> + [[ -z /opt/stack/logs ]]
>>>>> + /home/alioune/devstack/tools/worlddump.py -d /opt/stack/logs
>>>>> World dumping... see /opt/stack/logs/worlddump-2016-06-07-112537.txt
>>>>> for details
>>>>> + exit 1
>>>>>
>>>>>
>>>>> On 7 June 2016 at 12:08, Mohan Kumar <nmohankumar1011 at gmail.com>
>>>>> wrote:
>>>>>
>>>>>> Hi shihanzhang / Alioune ,
>>>>>>
>>>>>> *your kernel (check with uname -r ) should support OVS version ,
>>>>>> below table compare kern*el versions and corresponding Open vSwitch
>>>>>> release support
>>>>>>
>>>>>> | Open vSwitch | Linux kernel
>>>>>> |:------------:|:-------------:
>>>>>> | 1.4.x | 2.6.18 to 3.2
>>>>>> | 1.5.x | 2.6.18 to 3.2
>>>>>> | 1.6.x | 2.6.18 to 3.2
>>>>>> | 1.7.x | 2.6.18 to 3.3
>>>>>> | 1.8.x | 2.6.18 to 3.4
>>>>>> | 1.9.x | 2.6.18 to 3.8
>>>>>> | 1.10.x | 2.6.18 to 3.8
>>>>>> | 1.11.x | 2.6.18 to 3.8
>>>>>> | 2.0.x | 2.6.32 to 3.10
>>>>>> | 2.1.x | 2.6.32 to 3.11
>>>>>> | 2.3.x | 2.6.32 to 3.14
>>>>>> | 2.4.x | 2.6.32 to 4.0
>>>>>> | 2.5.x | 2.6.32 to 4.3
>>>>>>
>>>>>> http://openvswitch.org/support/dist-docs/FAQ.md.txt (
>>>>>> ### Q: What Linux kernel versions does each Open vSwitch release work with?)
>>>>>>
>>>>>> I installed SFC with OVS 2.4.0 and 2.5.0 and not seen any issue
>>>>>>
>>>>>> Please check SFC wiki for installation guidelines : https://wiki.openstack.org/wiki/Neutron/ServiceInsertionAndChaining
>>>>>>
>>>>>>
>>>>>> Thanks.,
>>>>>>
>>>>>> Mohankumar.N
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> On Tue, Jun 7, 2016 at 1:46 PM, shihanzhang <ayshihanzhang at 126.com>
>>>>>> wrote:
>>>>>>
>>>>>>> Hi Alioune and Cathy,
>>>>>>> For devstack on ubuntu14.04, the default ovs version is 2.0.2,
>>>>>>> so there was the error as Alioune said.
>>>>>>> Do we need to install speical ovs version in networking-sfc
>>>>>>> devstack plugin.sh?
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> 在 2016-06-07 07:48:26，"Cathy Zhang" <Cathy.H.Zhang at huawei.com> 写道：
>>>>>>>
>>>>>>> Hi Alioune,
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> Which OVS version are you using?
>>>>>>>
>>>>>>> Try openvswitch version 2.4.0 and restart the openvswitch-server
>>>>>>> before installing the devstack.
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> Cathy
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> *From:* Alioune [mailto:balioune3 at gmail.com]
>>>>>>> *Sent:* Friday, June 03, 2016 9:07 AM
>>>>>>> *To:* openstack-dev at lists.openstack.org
>>>>>>> *Cc:* Cathy Zhang
>>>>>>> *Subject:* [openstack-dev][neutron][SFC]
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> Probleme with OpenStack SFC
>>>>>>>
>>>>>>> Hi all,
>>>>>>>
>>>>>>> I've installed Openstack SFC with devstack and all module are
>>>>>>> corretly running except the neutron L2-agent
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> After a "screen -rd", it seems that there is a conflict between
>>>>>>> l2-agent and SFC (see trace bellow).
>>>>>>>
>>>>>>> I solved the issue with "sudo ovs-vsctl set bridge br
>>>>>>> protocols=OpenFlow10,OpenFlow11,OpenFlow12,OpenFlow13" on all openvswitch
>>>>>>> bridge (br-int, br-ex, br-tun and br-mgmt0).
>>>>>>>
>>>>>>> I would like to know:
>>>>>>>
>>>>>>> - If someone knows why this error arrises ?
>>>>>>>
>>>>>>> - is there another way to solve it ?
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> Regards,
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> 2016-06-03 12:51:56.323 WARNING
>>>>>>> neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent
>>>>>>> [req-1258bbbc-7211-4cfd-ab7c-8b856604f768 None None] OVS is dead.
>>>>>>> OVSNeutronAgent will keep running and checking OVS status periodically.
>>>>>>>
>>>>>>> 2016-06-03 12:51:56.330 DEBUG
>>>>>>> neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent
>>>>>>> [req-1258bbbc-7211-4cfd-ab7c-8b856604f768 None None] Agent rpc_loop -
>>>>>>> iteration:4722 completed. Processed ports statistics: {'regular':
>>>>>>> {'updated': 0, 'added': 0, 'removed': 0}}. Elapsed:0.086 from (pid=12775)
>>>>>>> loop_count_and_wait
>>>>>>> /opt/stack/neutron/neutron/plugins/ml2/drivers/openvswitch/agent/ovs_neutron_agent.py:1680
>>>>>>>
>>>>>>> 2016-06-03 12:51:58.256 DEBUG
>>>>>>> neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent
>>>>>>> [req-1258bbbc-7211-4cfd-ab7c-8b856604f768 None None] Agent rpc_loop -
>>>>>>> iteration:4723 started from (pid=12775) rpc_loop
>>>>>>> /opt/stack/neutron/neutron/plugins/ml2/drivers/openvswitch/agent/ovs_neutron_agent.py:1732
>>>>>>>
>>>>>>> 2016-06-03 12:51:58.258 DEBUG neutron.agent.linux.utils
>>>>>>> [req-1258bbbc-7211-4cfd-ab7c-8b856604f768 None None] Running command
>>>>>>> (rootwrap daemon): ['ovs-ofctl', '-O openflow13', 'dump-flows', 'br-int',
>>>>>>> 'table=23'] from (pid=12775) execute_rootwrap_daemon
>>>>>>> /opt/stack/neutron/neutron/agent/linux/utils.py:101
>>>>>>>
>>>>>>> 2016-06-03 12:51:58.311 ERROR neutron.agent.linux.utils
>>>>>>> [req-1258bbbc-7211-4cfd-ab7c-8b856604f768 None None]
>>>>>>>
>>>>>>> Command: ['ovs-ofctl', '-O openflow13', 'dump-flows', 'br-int',
>>>>>>> 'table=23']
>>>>>>>
>>>>>>> Exit code: 1
>>>>>>>
>>>>>>> Stdin:
>>>>>>>
>>>>>>> Stdout:
>>>>>>>
>>>>>>> Stderr:
>>>>>>> 2016-06-03T12:51:58Z|00001|vconn|WARN|unix:/var/run/openvswitch/br-int.mgmt:
>>>>>>> version negotiation failed (we support version 0x04, peer supports version
>>>>>>> 0x01)
>>>>>>>
>>>>>>> ovs-ofctl: br-int: failed to connect to socket (Broken pipe)
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> 2016-06-03 12:51:58.323 ERROR
>>>>>>> networking_sfc.services.sfc.common.ovs_ext_lib
>>>>>>> [req-1258bbbc-7211-4cfd-ab7c-8b856604f768 None None]
>>>>>>>
>>>>>>> Command: ['ovs-ofctl', '-O openflow13', 'dump-flows', 'br-int',
>>>>>>> 'table=23']
>>>>>>>
>>>>>>> Exit code: 1
>>>>>>>
>>>>>>> Stdin:
>>>>>>>
>>>>>>> Stdout:
>>>>>>>
>>>>>>> Stderr:
>>>>>>> 2016-06-03T12:51:58Z|00001|vconn|WARN|unix:/var/run/openvswitch/br-int.mgmt:
>>>>>>> version negotiation failed (we support version 0x04, peer supports version
>>>>>>> 0x01)
>>>>>>>
>>>>>>> ovs-ofctl: br-int: failed to connect to socket (Broken pipe)
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> 2016-06-03 12:51:58.323 TRACE
>>>>>>> networking_sfc.services.sfc.common.ovs_ext_lib Traceback (most recent call
>>>>>>> last):
>>>>>>>
>>>>>>> 2016-06-03 12:51:58.323 TRACE
>>>>>>> networking_sfc.services.sfc.common.ovs_ext_lib File
>>>>>>> "/opt/stack/networking-sfc/networking_sfc/services/sfc/common/ovs_ext_lib.py",
>>>>>>> line 125, in run_ofctl
>>>>>>>
>>>>>>> 2016-06-03 12:51:58.323 TRACE
>>>>>>> networking_sfc.services.sfc.common.ovs_ext_lib
>>>>>>> process_input=process_input)
>>>>>>>
>>>>>>> 2016-06-03 12:51:58.323 TRACE
>>>>>>> networking_sfc.services.sfc.common.ovs_ext_lib File
>>>>>>> "/opt/stack/neutron/neutron/agent/linux/utils.py", line 159, in execute
>>>>>>>
>>>>>>> 2016-06-03 12:51:58.323 TRACE
>>>>>>> networking_sfc.services.sfc.common.ovs_ext_lib raise RuntimeError(m)
>>>>>>>
>>>>>>> 2016-06-03 12:51:58.323 TRACE
>>>>>>> networking_sfc.services.sfc.common.ovs_ext_lib RuntimeError:
>>>>>>>
>>>>>>> 2016-06-03 12:51:58.323 TRACE
>>>>>>> networking_sfc.services.sfc.common.ovs_ext_lib Command: ['ovs-ofctl', '-O
>>>>>>> openflow13', 'dump-flows', 'br-int', 'table=23']
>>>>>>>
>>>>>>> 2016-06-03 12:51:58.323 TRACE
>>>>>>> networking_sfc.services.sfc.common.ovs_ext_lib Exit code: 1
>>>>>>>
>>>>>>> 2016-06-03 12:51:58.323 TRACE
>>>>>>> networking_sfc.services.sfc.common.ovs_ext_lib Stdin:
>>>>>>>
>>>>>>> 2016-06-03 12:51:58.323 TRACE
>>>>>>> networking_sfc.services.sfc.common.ovs_ext_lib Stdout:
>>>>>>>
>>>>>>> 2016-06-03 12:51:58.323 TRACE
>>>>>>> networking_sfc.services.sfc.common.ovs_ext_lib Stderr:
>>>>>>> 2016-06-03T12:51:58Z|00001|vconn|WARN|unix:/var/run/openvswitch/br-int.mgmt:
>>>>>>> version negotiation failed (we support version 0x04, peer supports version
>>>>>>> 0x01)
>>>>>>>
>>>>>>> 2016-06-03 12:51:58.323 TRACE
>>>>>>> networking_sfc.services.sfc.common.ovs_ext_lib ovs-ofctl: br-int: failed to
>>>>>>> connect to socket (Broken pipe)
>>>>>>>
>>>>>>> 2016-06-03 12:51:58.323 TRACE
>>>>>>> networking_sfc.services.sfc.common.ovs_ext_lib
>>>>>>>
>>>>>>> 2016-06-03 12:51:58.323 TRACE
>>>>>>> networking_sfc.services.sfc.common.ovs_ext_lib
>>>>>>>
>>>>>>> 2016-06-03 12:51:58.335 ERROR
>>>>>>> networking_sfc.services.sfc.common.ovs_ext_lib
>>>>>>> [req-1258bbbc-7211-4cfd-ab7c-8b856604f768 None None] Unable to execute
>>>>>>> ['ovs-ofctl', '-O openflow13', 'dump-flows', 'br-int', 'table=23'].
>>>>>>>
>>>>>>> 2016-06-03 12:51:58.337 WARNING
>>>>>>> neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent
>>>>>>> [req-1258bbbc-7211-4cfd-ab7c-8b856604f768 None None] OVS is dead.
>>>>>>> OVSNeutronAgent will keep running and checking OVS status periodically.
>>>>>>>
>>>>>>> 2016-06-03 12:51:58.341 DEBUG
>>>>>>> neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent
>>>>>>> [req-1258bbbc-7211-4cfd-ab7c-8b856604f768 None None] Agent rpc_loop -
>>>>>>> iteration:4723 completed. Processed ports statistics: {'regular':
>>>>>>> {'updated': 0, 'added': 0, 'removed': 0}}. Elapsed:0.085 from (pid=12775)
>>>>>>> loop_count_and_wait
>>>>>>> /opt/stack/neutron/neutron/plugins/ml2/drivers/openvswitch/agent/ovs_neutron_agent.py:1680
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> __________________________________________________________________________
>>>>>>> OpenStack Development Mailing List (not for usage questions)
>>>>>>> Unsubscribe:
>>>>>>> OpenStack-dev-request at lists.openstack.org?subject:unsubscribe
>>>>>>> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev
>>>>>>>
>>>>>>>
>>>>>>
>>>>>>
>>>>>> __________________________________________________________________________
>>>>>> OpenStack Development Mailing List (not for usage questions)
>>>>>> Unsubscribe:
>>>>>> OpenStack-dev-request at lists.openstack.org?subject:unsubscribe
>>>>>> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev
>>>>>>
>>>>>>
>>>>>
>>>
>>
>
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