Public bug reported:
Using a recent single-node devstack install, I tried to enable IPv6
prefix delegation following the exact instructions in the advanced
networking guide - http://docs.openstack.org/liberty/networking-
guide/adv_config_ipv6.html
$ neutron net-create ipv6-pd
$ neutron subnet-create ipv6-pd --name ipv6-pd-1 --ip_version 6 --ipv6_ra_mode
slaac --ipv6_address_mode slaac
$ neutron router-interface-add ...
The l3-agent threw an exception:
2016-02-02 10:28:07.014 23328 DEBUG neutron.agent.linux.utils [-] Running
command (rootwrap daemon): ['ip', 'netns', 'exec',
'qrouter-f932415c-2cbd-4bcf-a54e-d7f7ee890908', 'ip', '-6', 'addr', 'add',
'fe80::f816:3eff:fe79:188c/64', 'scope', 'link', 'dev', 'qg-e4629b84-e8']
execute_rootwrap_daemon /opt/stack/neutron/neutron/agent/linux/utils.py:100
2016-02-02 10:28:07.068 23328 ERROR neutron.agent.linux.utils [-] Exit code: 1;
Stdin: ; Stdout: ; Stderr: Cannot find device "qg-e4629b84-e8"
2016-02-02 10:28:07.069 23328 DEBUG oslo_concurrency.lockutils [-] Lock
"l3-agent-pd" released by "neutron.agent.linux.pd.enable_subnet" :: held 0.055s
inner /usr/local/lib/python2.7/dist-packages/oslo_concurrency/lockutils.py:282
2016-02-02 10:28:07.069 23328 ERROR neutron.agent.l3.router_info [-] Exit code:
1; Stdin: ; Stdout: ; Stderr: Cannot find device "qg-e4629b84-e8"
2016-02-02 10:28:07.069 23328 ERROR neutron.agent.l3.router_info Traceback
(most recent call last):
2016-02-02 10:28:07.069 23328 ERROR neutron.agent.l3.router_info File
"/opt/stack/neutron/neutron/common/utils.py", line 368, in call
2016-02-02 10:28:07.069 23328 ERROR neutron.agent.l3.router_info return
func(*args, **kwargs)
2016-02-02 10:28:07.069 23328 ERROR neutron.agent.l3.router_info File
"/opt/stack/neutron/neutron/agent/l3/router_info.py", line 736, in process
2016-02-02 10:28:07.069 23328 ERROR neutron.agent.l3.router_info
self._process_internal_ports(agent.pd)
2016-02-02 10:28:07.069 23328 ERROR neutron.agent.l3.router_info File
"/opt/stack/neutron/neutron/agent/l3/router_info.py", line 388, in
_process_internal_ports
2016-02-02 10:28:07.069 23328 ERROR neutron.agent.l3.router_info
interface_name, p['mac_address'])
2016-02-02 10:28:07.069 23328 ERROR neutron.agent.l3.router_info File
"/usr/local/lib/python2.7/dist-packages/oslo_concurrency/lockutils.py", line
271, in inner
2016-02-02 10:28:07.069 23328 ERROR neutron.agent.l3.router_info return
f(*args, **kwargs)
2016-02-02 10:28:07.069 23328 ERROR neutron.agent.l3.router_info File
"/opt/stack/neutron/neutron/agent/linux/pd.py", line 81, in enable_subnet
2016-02-02 10:28:07.069 23328 ERROR neutron.agent.l3.router_info
self._add_lla(router, pd_info.get_bind_lla_with_mask())
2016-02-02 10:28:07.069 23328 ERROR neutron.agent.l3.router_info File
"/opt/stack/neutron/neutron/agent/linux/pd.py", line 196, in _add_lla
2016-02-02 10:28:07.069 23328 ERROR neutron.agent.l3.router_info 'link')
2016-02-02 10:28:07.069 23328 ERROR neutron.agent.l3.router_info File
"/opt/stack/neutron/neutron/agent/linux/interface.py", line 194, in
add_ipv6_addr
2016-02-02 10:28:07.069 23328 ERROR neutron.agent.l3.router_info
device.addr.add(str(net), scope)
2016-02-02 10:28:07.069 23328 ERROR neutron.agent.l3.router_info File
"/opt/stack/neutron/neutron/agent/linux/ip_lib.py", line 532, in add
2016-02-02 10:28:07.069 23328 ERROR neutron.agent.l3.router_info
self._as_root([net.version], tuple(args))
2016-02-02 10:28:07.069 23328 ERROR neutron.agent.l3.router_info File
"/opt/stack/neutron/neutron/agent/linux/ip_lib.py", line 322, in _as_root
2016-02-02 10:28:07.069 23328 ERROR neutron.agent.l3.router_info
use_root_namespace=use_root_namespace)
2016-02-02 10:28:07.069 23328 ERROR neutron.agent.l3.router_info File
"/opt/stack/neutron/neutron/agent/linux/ip_lib.py", line 95, in _as_root
2016-02-02 10:28:07.069 23328 ERROR neutron.agent.l3.router_info
log_fail_as_error=self.log_fail_as_error)
2016-02-02 10:28:07.069 23328 ERROR neutron.agent.l3.router_info File
"/opt/stack/neutron/neutron/agent/linux/ip_lib.py", line 104, in _execute
2016-02-02 10:28:07.069 23328 ERROR neutron.agent.l3.router_info
log_fail_as_error=log_fail_as_error)
2016-02-02 10:28:07.069 23328 ERROR neutron.agent.l3.router_info File
"/opt/stack/neutron/neutron/agent/linux/utils.py", line 140, in execute
2016-02-02 10:28:07.069 23328 ERROR neutron.agent.l3.router_info raise
RuntimeError(msg)
2016-02-02 10:28:07.069 23328 ERROR neutron.agent.l3.router_info RuntimeError:
Exit code: 1; Stdin: ; Stdout: ; Stderr: Cannot find device "qg-e4629b84-e8"
2016-02-02 10:28:07.069 23328 ERROR neutron.agent.l3.router_info
2016-02-02 10:28:07.069 23328 ERROR neutron.agent.l3.router_info
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent [-] Failed to
process compatible router 'f932415c-2cbd-4bcf-a54e-d7f7ee890908'
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent Traceback (most
recent call last):
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent File
"/opt/stack/neutron/neutron/agent/l3/agent.py", line 497, in
_process_router_update
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent
self._process_router_if_compatible(router)
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent File
"/opt/stack/neutron/neutron/agent/l3/agent.py", line 436, in
_process_router_if_compatible
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent
self._process_updated_router(router)
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent File
"/opt/stack/neutron/neutron/agent/l3/agent.py", line 450, in
_process_updated_router
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent ri.process(self)
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent File
"/opt/stack/neutron/neutron/agent/l3/dvr_local_router.py", line 460, in process
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent
super(DvrLocalRouter, self).process(agent)
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent File
"/opt/stack/neutron/neutron/agent/l3/dvr_router_base.py", line 30, in process
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent
super(DvrRouterBase, self).process(agent)
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent File
"/opt/stack/neutron/neutron/common/utils.py", line 371, in call
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent self.logger(e)
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent File
"/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 204, in
__exit__
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent
six.reraise(self.type_, self.value, self.tb)
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent File
"/opt/stack/neutron/neutron/common/utils.py", line 368, in call
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent return
func(*args, **kwargs)
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent File
"/opt/stack/neutron/neutron/agent/l3/router_info.py", line 736, in process
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent
self._process_internal_ports(agent.pd)
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent File
"/opt/stack/neutron/neutron/agent/l3/router_info.py", line 388, in
_process_internal_ports
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent interface_name,
p['mac_address'])
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent File
"/usr/local/lib/python2.7/dist-packages/oslo_concurrency/lockutils.py", line
271, in inner
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent return f(*args,
**kwargs)
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent File
"/opt/stack/neutron/neutron/agent/linux/pd.py", line 81, in enable_subnet
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent
self._add_lla(router, pd_info.get_bind_lla_with_mask())
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent File
"/opt/stack/neutron/neutron/agent/linux/pd.py", line 196, in _add_lla
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent 'link')
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent File
"/opt/stack/neutron/neutron/agent/linux/interface.py", line 194, in
add_ipv6_addr
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent
device.addr.add(str(net), scope)
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent File
"/opt/stack/neutron/neutron/agent/linux/ip_lib.py", line 532, in add
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent
self._as_root([net.version], tuple(args))
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent File
"/opt/stack/neutron/neutron/agent/linux/ip_lib.py", line 322, in _as_root
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent
use_root_namespace=use_root_namespace)
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent File
"/opt/stack/neutron/neutron/agent/linux/ip_lib.py", line 95, in _as_root
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent
log_fail_as_error=self.log_fail_as_error)
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent File
"/opt/stack/neutron/neutron/agent/linux/ip_lib.py", line 104, in _execute
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent
log_fail_as_error=log_fail_as_error)
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent File
"/opt/stack/neutron/neutron/agent/linux/utils.py", line 140, in execute
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent raise
RuntimeError(msg)
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent RuntimeError: Exit
code: 1; Stdin: ; Stdout: ; Stderr: Cannot find device "qg-e4629b84-e8"
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent
That interface, qg-e4629b84-e8, lives in the SNAT namespace on a network
node in dvr_snat mode.
Looking into it.
** Affects: neutron
Importance: Undecided
Status: New
** Tags: l3-dvr-backlog
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https://bugs.launchpad.net/bugs/1541406
Title:
IPv6 prefix delegation does not work with DVR
Status in neutron:
New
Bug description:
Using a recent single-node devstack install, I tried to enable IPv6
prefix delegation following the exact instructions in the advanced
networking guide - http://docs.openstack.org/liberty/networking-
guide/adv_config_ipv6.html
$ neutron net-create ipv6-pd
$ neutron subnet-create ipv6-pd --name ipv6-pd-1 --ip_version 6
--ipv6_ra_mode slaac --ipv6_address_mode slaac
$ neutron router-interface-add ...
The l3-agent threw an exception:
2016-02-02 10:28:07.014 23328 DEBUG neutron.agent.linux.utils [-] Running
command (rootwrap daemon): ['ip', 'netns', 'exec',
'qrouter-f932415c-2cbd-4bcf-a54e-d7f7ee890908', 'ip', '-6', 'addr', 'add',
'fe80::f816:3eff:fe79:188c/64', 'scope', 'link', 'dev', 'qg-e4629b84-e8']
execute_rootwrap_daemon /opt/stack/neutron/neutron/agent/linux/utils.py:100
2016-02-02 10:28:07.068 23328 ERROR neutron.agent.linux.utils [-] Exit code:
1; Stdin: ; Stdout: ; Stderr: Cannot find device "qg-e4629b84-e8"
2016-02-02 10:28:07.069 23328 DEBUG oslo_concurrency.lockutils [-] Lock
"l3-agent-pd" released by "neutron.agent.linux.pd.enable_subnet" :: held 0.055s
inner /usr/local/lib/python2.7/dist-packages/oslo_concurrency/lockutils.py:282
2016-02-02 10:28:07.069 23328 ERROR neutron.agent.l3.router_info [-] Exit
code: 1; Stdin: ; Stdout: ; Stderr: Cannot find device "qg-e4629b84-e8"
2016-02-02 10:28:07.069 23328 ERROR neutron.agent.l3.router_info Traceback
(most recent call last):
2016-02-02 10:28:07.069 23328 ERROR neutron.agent.l3.router_info File
"/opt/stack/neutron/neutron/common/utils.py", line 368, in call
2016-02-02 10:28:07.069 23328 ERROR neutron.agent.l3.router_info return
func(*args, **kwargs)
2016-02-02 10:28:07.069 23328 ERROR neutron.agent.l3.router_info File
"/opt/stack/neutron/neutron/agent/l3/router_info.py", line 736, in process
2016-02-02 10:28:07.069 23328 ERROR neutron.agent.l3.router_info
self._process_internal_ports(agent.pd)
2016-02-02 10:28:07.069 23328 ERROR neutron.agent.l3.router_info File
"/opt/stack/neutron/neutron/agent/l3/router_info.py", line 388, in
_process_internal_ports
2016-02-02 10:28:07.069 23328 ERROR neutron.agent.l3.router_info
interface_name, p['mac_address'])
2016-02-02 10:28:07.069 23328 ERROR neutron.agent.l3.router_info File
"/usr/local/lib/python2.7/dist-packages/oslo_concurrency/lockutils.py", line
271, in inner
2016-02-02 10:28:07.069 23328 ERROR neutron.agent.l3.router_info return
f(*args, **kwargs)
2016-02-02 10:28:07.069 23328 ERROR neutron.agent.l3.router_info File
"/opt/stack/neutron/neutron/agent/linux/pd.py", line 81, in enable_subnet
2016-02-02 10:28:07.069 23328 ERROR neutron.agent.l3.router_info
self._add_lla(router, pd_info.get_bind_lla_with_mask())
2016-02-02 10:28:07.069 23328 ERROR neutron.agent.l3.router_info File
"/opt/stack/neutron/neutron/agent/linux/pd.py", line 196, in _add_lla
2016-02-02 10:28:07.069 23328 ERROR neutron.agent.l3.router_info 'link')
2016-02-02 10:28:07.069 23328 ERROR neutron.agent.l3.router_info File
"/opt/stack/neutron/neutron/agent/linux/interface.py", line 194, in
add_ipv6_addr
2016-02-02 10:28:07.069 23328 ERROR neutron.agent.l3.router_info
device.addr.add(str(net), scope)
2016-02-02 10:28:07.069 23328 ERROR neutron.agent.l3.router_info File
"/opt/stack/neutron/neutron/agent/linux/ip_lib.py", line 532, in add
2016-02-02 10:28:07.069 23328 ERROR neutron.agent.l3.router_info
self._as_root([net.version], tuple(args))
2016-02-02 10:28:07.069 23328 ERROR neutron.agent.l3.router_info File
"/opt/stack/neutron/neutron/agent/linux/ip_lib.py", line 322, in _as_root
2016-02-02 10:28:07.069 23328 ERROR neutron.agent.l3.router_info
use_root_namespace=use_root_namespace)
2016-02-02 10:28:07.069 23328 ERROR neutron.agent.l3.router_info File
"/opt/stack/neutron/neutron/agent/linux/ip_lib.py", line 95, in _as_root
2016-02-02 10:28:07.069 23328 ERROR neutron.agent.l3.router_info
log_fail_as_error=self.log_fail_as_error)
2016-02-02 10:28:07.069 23328 ERROR neutron.agent.l3.router_info File
"/opt/stack/neutron/neutron/agent/linux/ip_lib.py", line 104, in _execute
2016-02-02 10:28:07.069 23328 ERROR neutron.agent.l3.router_info
log_fail_as_error=log_fail_as_error)
2016-02-02 10:28:07.069 23328 ERROR neutron.agent.l3.router_info File
"/opt/stack/neutron/neutron/agent/linux/utils.py", line 140, in execute
2016-02-02 10:28:07.069 23328 ERROR neutron.agent.l3.router_info raise
RuntimeError(msg)
2016-02-02 10:28:07.069 23328 ERROR neutron.agent.l3.router_info
RuntimeError: Exit code: 1; Stdin: ; Stdout: ; Stderr: Cannot find device
"qg-e4629b84-e8"
2016-02-02 10:28:07.069 23328 ERROR neutron.agent.l3.router_info
2016-02-02 10:28:07.069 23328 ERROR neutron.agent.l3.router_info
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent [-] Failed to
process compatible router 'f932415c-2cbd-4bcf-a54e-d7f7ee890908'
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent Traceback (most
recent call last):
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent File
"/opt/stack/neutron/neutron/agent/l3/agent.py", line 497, in
_process_router_update
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent
self._process_router_if_compatible(router)
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent File
"/opt/stack/neutron/neutron/agent/l3/agent.py", line 436, in
_process_router_if_compatible
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent
self._process_updated_router(router)
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent File
"/opt/stack/neutron/neutron/agent/l3/agent.py", line 450, in
_process_updated_router
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent
ri.process(self)
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent File
"/opt/stack/neutron/neutron/agent/l3/dvr_local_router.py", line 460, in process
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent
super(DvrLocalRouter, self).process(agent)
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent File
"/opt/stack/neutron/neutron/agent/l3/dvr_router_base.py", line 30, in process
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent
super(DvrRouterBase, self).process(agent)
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent File
"/opt/stack/neutron/neutron/common/utils.py", line 371, in call
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent self.logger(e)
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent File
"/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 204, in
__exit__
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent
six.reraise(self.type_, self.value, self.tb)
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent File
"/opt/stack/neutron/neutron/common/utils.py", line 368, in call
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent return
func(*args, **kwargs)
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent File
"/opt/stack/neutron/neutron/agent/l3/router_info.py", line 736, in process
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent
self._process_internal_ports(agent.pd)
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent File
"/opt/stack/neutron/neutron/agent/l3/router_info.py", line 388, in
_process_internal_ports
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent
interface_name, p['mac_address'])
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent File
"/usr/local/lib/python2.7/dist-packages/oslo_concurrency/lockutils.py", line
271, in inner
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent return
f(*args, **kwargs)
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent File
"/opt/stack/neutron/neutron/agent/linux/pd.py", line 81, in enable_subnet
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent
self._add_lla(router, pd_info.get_bind_lla_with_mask())
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent File
"/opt/stack/neutron/neutron/agent/linux/pd.py", line 196, in _add_lla
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent 'link')
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent File
"/opt/stack/neutron/neutron/agent/linux/interface.py", line 194, in
add_ipv6_addr
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent
device.addr.add(str(net), scope)
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent File
"/opt/stack/neutron/neutron/agent/linux/ip_lib.py", line 532, in add
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent
self._as_root([net.version], tuple(args))
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent File
"/opt/stack/neutron/neutron/agent/linux/ip_lib.py", line 322, in _as_root
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent
use_root_namespace=use_root_namespace)
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent File
"/opt/stack/neutron/neutron/agent/linux/ip_lib.py", line 95, in _as_root
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent
log_fail_as_error=self.log_fail_as_error)
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent File
"/opt/stack/neutron/neutron/agent/linux/ip_lib.py", line 104, in _execute
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent
log_fail_as_error=log_fail_as_error)
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent File
"/opt/stack/neutron/neutron/agent/linux/utils.py", line 140, in execute
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent raise
RuntimeError(msg)
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent RuntimeError: Exit
code: 1; Stdin: ; Stdout: ; Stderr: Cannot find device "qg-e4629b84-e8"
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent
2016-02-02 10:28:07.075 23328 ERROR neutron.agent.l3.agent
That interface, qg-e4629b84-e8, lives in the SNAT namespace on a
network node in dvr_snat mode.
Looking into it.
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