** Changed in: neutron
Status: Invalid => In Progress
** Changed in: neutron
Assignee: (unassigned) => Kevin Benton (kevinbenton)
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https://bugs.launchpad.net/bugs/1627902
Title:
DHCP agent conflicting with dynamic IPv6 addresses
Status in neutron:
In Progress
Bug description:
Below in gate logs. Completely breaks the DHCP for that network
because it's trying to add an address that conflicts with one given to
it via RA. Cause is the merge of
d86f1b87f01c53c3e0b085086133b311e5bf3ab5 which allowed the agent to be
configured with stateless v6 addresses to serve metadata correctly.
http://logs.openstack.org/12/343312/5/gate/gate-tempest-dsvm-neutron-
full-ubuntu-
xenial/c11b933/logs/screen-q-dhcp.txt.gz?level=TRACE#_2016-09-26_21_45_40_604
2016-09-26 21:45:40.604 13605 ERROR neutron.agent.linux.utils [-] Exit
code: 2; Stdin: ; Stdout: ; Stderr: RTNETLINK answers: File exists
2016-09-26 21:45:40.604 13605 ERROR neutron.agent.dhcp.agent [-] Unable to
enable dhcp for 81d252a2-8207-4e8c-a286-07fb3494a3ec.
2016-09-26 21:45:40.604 13605 ERROR neutron.agent.dhcp.agent Traceback (most
recent call last):
2016-09-26 21:45:40.604 13605 ERROR neutron.agent.dhcp.agent File
"/opt/stack/new/neutron/neutron/agent/dhcp/agent.py", line 114, in call_driver
2016-09-26 21:45:40.604 13605 ERROR neutron.agent.dhcp.agent
getattr(driver, action)(**action_kwargs)
2016-09-26 21:45:40.604 13605 ERROR neutron.agent.dhcp.agent File
"/opt/stack/new/neutron/neutron/agent/linux/dhcp.py", line 212, in enable
2016-09-26 21:45:40.604 13605 ERROR neutron.agent.dhcp.agent
interface_name = self.device_manager.setup(self.network)
2016-09-26 21:45:40.604 13605 ERROR neutron.agent.dhcp.agent File
"/opt/stack/new/neutron/neutron/agent/linux/dhcp.py", line 1396, in setup
2016-09-26 21:45:40.604 13605 ERROR neutron.agent.dhcp.agent
namespace=network.namespace)
2016-09-26 21:45:40.604 13605 ERROR neutron.agent.dhcp.agent File
"/opt/stack/new/neutron/neutron/agent/linux/interface.py", line 129, in init_l3
2016-09-26 21:45:40.604 13605 ERROR neutron.agent.dhcp.agent
device.addr.add(ip_cidr)
2016-09-26 21:45:40.604 13605 ERROR neutron.agent.dhcp.agent File
"/opt/stack/new/neutron/neutron/agent/linux/ip_lib.py", line 577, in add
2016-09-26 21:45:40.604 13605 ERROR neutron.agent.dhcp.agent
self._as_root([net.version], tuple(args))
2016-09-26 21:45:40.604 13605 ERROR neutron.agent.dhcp.agent File
"/opt/stack/new/neutron/neutron/agent/linux/ip_lib.py", line 364, in _as_root
2016-09-26 21:45:40.604 13605 ERROR neutron.agent.dhcp.agent
use_root_namespace=use_root_namespace)
2016-09-26 21:45:40.604 13605 ERROR neutron.agent.dhcp.agent File
"/opt/stack/new/neutron/neutron/agent/linux/ip_lib.py", line 95, in _as_root
2016-09-26 21:45:40.604 13605 ERROR neutron.agent.dhcp.agent
log_fail_as_error=self.log_fail_as_error)
2016-09-26 21:45:40.604 13605 ERROR neutron.agent.dhcp.agent File
"/opt/stack/new/neutron/neutron/agent/linux/ip_lib.py", line 104, in _execute
2016-09-26 21:45:40.604 13605 ERROR neutron.agent.dhcp.agent
log_fail_as_error=log_fail_as_error)
2016-09-26 21:45:40.604 13605 ERROR neutron.agent.dhcp.agent File
"/opt/stack/new/neutron/neutron/agent/linux/utils.py", line 138, in execute
2016-09-26 21:45:40.604 13605 ERROR neutron.agent.dhcp.agent raise
RuntimeError(msg)
2016-09-26 21:45:40.604 13605 ERROR neutron.agent.dhcp.agent RuntimeError:
Exit code: 2; Stdin: ; Stdout: ; Stderr: RTNETLINK answers: File exists
2016-09-26 21:45:40.604 13605 ERROR neutron.agent.dhcp.agent
2016-09-26 21:45:40.604 13605 ERROR neutron.agent.dhcp.agent
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