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[Swaminathan Vasudevan <souminathan@xxxxxxxxx>]

Public bug reported:

neutron.tests.tempest.scenario.test_floatingip.FloatingIpSameNetwork and
neutron.tests.tempest.scenario.test_floatingip.FloatingIpSeparateNetwork are failing on every patch.

This trace is seen on the node-2 l3-agent.

Sep 13 07:16:43.404250 ubuntu-xenial-2-node-rax-dfw-10909819-895688 neutron-keepalived-state-change[5461]: ERROR neutron.agent.linux.ip_lib [-] Failed sending gratuitous ARP to 172.24.5.3 on qg-bf79c157-e2 in namespace qrouter-796b8715-ca01-43ad-bc08-f81a0b4db8cc: Exit code: 2; Stdin: ; Stdout: ; Stderr: bind: Cannot assign requested address
                                                                                                           : ProcessExecutionError: Exit code: 2; Stdin: ; Stdout: ; Stderr: bind: Cannot assign requested address
                                                                                                           ERROR neutron.agent.linux.ip_lib Traceback (most recent call last):
                                                                                                           ERROR neutron.agent.linux.ip_lib   File "/opt/stack/new/neutron/neutron/agent/linux/ip_lib.py", line 1082, in _arping
                                                                                                           ERROR neutron.agent.linux.ip_lib     ip_wrapper.netns.execute(arping_cmd, extra_ok_codes=[1])
                                                                                                           ERROR neutron.agent.linux.ip_lib   File "/opt/stack/new/neutron/neutron/agent/linux/ip_lib.py", line 901, in execute
                                                                                                           ERROR neutron.agent.linux.ip_lib     log_fail_as_error=log_fail_as_error, **kwargs)
                                                                                                           ERROR neutron.agent.linux.ip_lib   File "/opt/stack/new/neutron/neutron/agent/linux/utils.py", line 151, in execute
                                                                                                           ERROR neutron.agent.linux.ip_lib     raise ProcessExecutionError(msg, returncode=returncode)
                                                                                                           ERROR neutron.agent.linux.ip_lib ProcessExecutionError: Exit code: 2; Stdin: ; Stdout: ; Stderr: bind: Cannot assign requested address
                                                                                                           ERROR neutron.agent.linux.ip_lib
                                                                                                           ERROR neutron.agent.linux.ip_lib

If this is a DVR router, then the GARP should not go through the qg
interface for the floatingIP.

More information can be seen here.

http://logs.openstack.org/43/500143/5/check/gate-tempest-dsvm-neutron-
dvr-multinode-scenario-ubuntu-xenial-
nv/0a58fce/logs/subnode-2/screen-q-l3.txt.gz?level=TRACE#_Sep_13_07_16_47_864052

** Affects: neutron
     Importance: Undecided
         Status: New


** Tags: l3-dvr-backlog l3-ha

** Summary changed:

- Tempest floatingip scenario tests failing on DVR Multinode setup
+ Tempest floatingip scenario tests failing on DVR Multinode setup with HA

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https://bugs.launchpad.net/bugs/1717302

Title:
  Tempest floatingip scenario tests failing on DVR Multinode setup with
  HA

Status in neutron:
  New

Bug description:
  neutron.tests.tempest.scenario.test_floatingip.FloatingIpSameNetwork and
  neutron.tests.tempest.scenario.test_floatingip.FloatingIpSeparateNetwork are failing on every patch.

  This trace is seen on the node-2 l3-agent.

  Sep 13 07:16:43.404250 ubuntu-xenial-2-node-rax-dfw-10909819-895688 neutron-keepalived-state-change[5461]: ERROR neutron.agent.linux.ip_lib [-] Failed sending gratuitous ARP to 172.24.5.3 on qg-bf79c157-e2 in namespace qrouter-796b8715-ca01-43ad-bc08-f81a0b4db8cc: Exit code: 2; Stdin: ; Stdout: ; Stderr: bind: Cannot assign requested address
                                                                                                             : ProcessExecutionError: Exit code: 2; Stdin: ; Stdout: ; Stderr: bind: Cannot assign requested address
                                                                                                             ERROR neutron.agent.linux.ip_lib Traceback (most recent call last):
                                                                                                             ERROR neutron.agent.linux.ip_lib   File "/opt/stack/new/neutron/neutron/agent/linux/ip_lib.py", line 1082, in _arping
                                                                                                             ERROR neutron.agent.linux.ip_lib     ip_wrapper.netns.execute(arping_cmd, extra_ok_codes=[1])
                                                                                                             ERROR neutron.agent.linux.ip_lib   File "/opt/stack/new/neutron/neutron/agent/linux/ip_lib.py", line 901, in execute
                                                                                                             ERROR neutron.agent.linux.ip_lib     log_fail_as_error=log_fail_as_error, **kwargs)
                                                                                                             ERROR neutron.agent.linux.ip_lib   File "/opt/stack/new/neutron/neutron/agent/linux/utils.py", line 151, in execute
                                                                                                             ERROR neutron.agent.linux.ip_lib     raise ProcessExecutionError(msg, returncode=returncode)
                                                                                                             ERROR neutron.agent.linux.ip_lib ProcessExecutionError: Exit code: 2; Stdin: ; Stdout: ; Stderr: bind: Cannot assign requested address
                                                                                                             ERROR neutron.agent.linux.ip_lib
                                                                                                             ERROR neutron.agent.linux.ip_lib

  If this is a DVR router, then the GARP should not go through the qg
  interface for the floatingIP.

  More information can be seen here.

  http://logs.openstack.org/43/500143/5/check/gate-tempest-dsvm-neutron-
  dvr-multinode-scenario-ubuntu-xenial-
  nv/0a58fce/logs/subnode-2/screen-q-l3.txt.gz?level=TRACE#_Sep_13_07_16_47_864052

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