[rdo-users] Neutron failing to bind port when launching instances

Friday, 15 May 2020

Hi all! I installed packstack using #packstack --answer-file=answers.txt and it brought up
instances ok. Whenever I attempt to launch an instance after reboot, I obtain an error
within Nova which points me to Neutron.

Nova Log:
2020-05-15 09:58:39.323 2550 ERROR nova.compute.manager
[req-89d70554-3ed5-47bc-a0af-d62616cae563 38ee4149b19e4c1d8712aa459891c5c3
5f893ea237cd411791ec53d3a1339d19 - default default] Instance failed network setu
p after 1 attempt(s): PortBindingFailed: Binding failed for port
f214b130-489a-479e-a9a9-f59c91227e5f, please check neutron logs for more information.
2020-05-15 09:58:39.323 2550 ERROR nova.compute.manager Traceback (most recent call
last):
2020-05-15 09:58:39.323 2550 ERROR nova.compute.manager   File
"/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 1618, in
_allocate_network_async
2020-05-15 09:58:39.323 2550 ERROR nova.compute.manager    
resource_provider_mapping=resource_provider_mapping)
2020-05-15 09:58:39.323 2550 ERROR nova.compute.manager   File
"/usr/lib/python2.7/site-packages/nova/network/neutronv2/api.py", line 1130, in
allocate_for_instance
2020-05-15 09:58:39.323 2550 ERROR nova.compute.manager     bind_host_id, available_macs,
requested_ports_dict)
2020-05-15 09:58:39.323 2550 ERROR nova.compute.manager   File
"/usr/lib/python2.7/site-packages/nova/network/neutronv2/api.py", line 1263, in
_update_ports_for_instance
2020-05-15 09:58:39.323 2550 ERROR nova.compute.manager     vif.destroy()
2020-05-15 09:58:39.323 2550 ERROR nova.compute.manager   File
"/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 220, in
__exit__
2020-05-15 09:58:39.323 2550 ERROR nova.compute.manager     self.force_reraise()
2020-05-15 09:58:39.323 2550 ERROR nova.compute.manager   File
"/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 196, in
force_reraise
2020-05-15 09:58:39.323 2550 ERROR nova.compute.manager     six.reraise(self.type_,
self.value, self.tb)
2020-05-15 09:58:39.323 2550 ERROR nova.compute.manager   File
"/usr/lib/python2.7/site-packages/nova/network/neutronv2/api.py", line 1233, in
_update_ports_for_instance
2020-05-15 09:58:39.323 2550 ERROR nova.compute.manager     port_client, instance,
port_id, port_req_body)
2020-05-15 09:58:39.323 2550 ERROR nova.compute.manager   File
"/usr/lib/python2.7/site-packages/nova/network/neutronv2/api.py", line 582, in
_update_port
2020-05-15 09:58:39.323 2550 ERROR nova.compute.manager    
_ensure_no_port_binding_failure(port)
2020-05-15 09:58:39.323 2550 ERROR nova.compute.manager   File
"/usr/lib/python2.7/site-packages/nova/network/neutronv2/api.py", line 252, in
_ensure_no_port_binding_failure
2020-05-15 09:58:39.323 2550 ERROR nova.compute.manager     raise
exception.PortBindingFailed(port_id=port['id'])
2020-05-15 09:58:39.323 2550 ERROR nova.compute.manager PortBindingFailed: Binding failed
for port f214b130-489a-479e-a9a9-f59c91227e5f, please check neutron logs for more
information.
2020-05-15 09:58:39.323 2550 ERROR nova.compute.manager
2020-05-15 09:58:43.070 2550 INFO nova.virt.libvirt.driver
[req-89d70554-3ed5-47bc-a0af-d62616cae563 38ee4149b19e4c1d8712aa459891c5c3
5f893ea237cd411791ec53d3a1339d19 - default default] [instance: c586c05b-f87b-
4bc6-893f-25422a7e9481] Creating image
2020-05-15 09:58:43.071 2550 ERROR nova.compute.manager
[req-89d70554-3ed5-47bc-a0af-d62616cae563 38ee4149b19e4c1d8712aa459891c5c3
5f893ea237cd411791ec53d3a1339d19 - default default] [instance: c586c05b-f87b-4bc
6-893f-25422a7e9481] Instance failed to spawn: PortBindingFailed: Binding failed for port
f214b130-489a-479e-a9a9-f59c91227e5f, please check neutron logs for more information.
2020-05-15 09:58:43.071 2550 ERROR nova.compute.manager [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481] Traceback (most recent call last):
2020-05-15 09:58:43.071 2550 ERROR nova.compute.manager [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481]   File
"/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 2594, in
_build_resources
2020-05-15 09:58:43.071 2550 ERROR nova.compute.manager [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481]     yield resources
2020-05-15 09:58:43.071 2550 ERROR nova.compute.manager [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481]   File
"/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 2353, in
_build_and_run_instance
2020-05-15 09:58:43.071 2550 ERROR nova.compute.manager [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481]     block_device_info=block_device_info)
2020-05-15 09:58:43.071 2550 ERROR nova.compute.manager [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481]   File
"/usr/lib/python2.7/site-packages/nova/virt/libvirt/driver.py", line 3199, in
spawn
2020-05-15 09:58:43.071 2550 ERROR nova.compute.manager [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481]     mdevs=mdevs)
2020-05-15 09:58:43.071 2550 ERROR nova.compute.manager [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481]   File
"/usr/lib/python2.7/site-packages/nova/virt/libvirt/driver.py", line 5492, in
_get_guest_xml
2020-05-15 09:58:43.071 2550 ERROR nova.compute.manager [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481]     network_info_str = str(network_info)
2020-05-15 09:58:43.071 2550 ERROR nova.compute.manager [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481]   File
"/usr/lib/python2.7/site-packages/nova/network/model.py", line 595, in __str__
2020-05-15 09:58:43.071 2550 ERROR nova.compute.manager [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481]     return self._sync_wrapper(fn, *args, **kwargs)
2020-05-15 09:58:43.071 2550 ERROR nova.compute.manager [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481]   File
"/usr/lib/python2.7/site-packages/nova/network/model.py", line 578, in
_sync_wrapper
2020-05-15 09:58:43.071 2550 ERROR nova.compute.manager [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481]     self.wait()
2020-05-15 09:58:43.071 2550 ERROR nova.compute.manager [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481]   File
"/usr/lib/python2.7/site-packages/nova/network/model.py", line 610, in wait
2020-05-15 09:58:43.071 2550 ERROR nova.compute.manager [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481]     self[:] = self._gt.wait()
2020-05-15 09:58:43.071 2550 ERROR nova.compute.manager [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481]   File
"/usr/lib/python2.7/site-packages/eventlet/greenthread.py", line 180, in wait
2020-05-15 09:58:43.071 2550 ERROR nova.compute.manager [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481]     return self._exit_event.wait()
2020-05-15 09:58:43.071 2550 ERROR nova.compute.manager [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481]   File
"/usr/lib/python2.7/site-packages/eventlet/event.py", line 132, in wait
2020-05-15 09:58:43.071 2550 ERROR nova.compute.manager [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481]     current.throw(*self._exc)
2020-05-15 09:58:43.071 2550 ERROR nova.compute.manager [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481]   File
"/usr/lib/python2.7/site-packages/eventlet/greenthread.py", line 219, in main
2020-05-15 09:58:43.071 2550 ERROR nova.compute.manager [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481]     result = function(*args, **kwargs)
2020-05-15 09:58:43.071 2550 ERROR nova.compute.manager [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481]   File
"/usr/lib/python2.7/site-packages/nova/utils.py", line 800, in context_wrapper
2020-05-15 09:58:43.071 2550 ERROR nova.compute.manager [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481]     return func(*args, **kwargs)
2020-05-15 09:58:43.071 2550 ERROR nova.compute.manager [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481]   File
"/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 1635, in
_allocate_network_async
2020-05-15 09:58:43.071 2550 ERROR nova.compute.manager [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481]     six.reraise(*exc_info)
2020-05-15 09:58:43.071 2550 ERROR nova.compute.manager [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481]   File
"/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 1618, in
_allocate_network_async
2020-05-15 09:58:43.071 2550 ERROR nova.compute.manager [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481]    
resource_provider_mapping=resource_provider_mapping)
2020-05-15 09:58:43.071 2550 ERROR nova.compute.manager [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481]   File
"/usr/lib/python2.7/site-packages/nova/network/neutronv2/api.py", line 1130, in
allocate_for_instance
2020-05-15 09:58:43.071 2550 ERROR nova.compute.manager [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481]     bind_host_id, available_macs,
requested_ports_dict)
2020-05-15 09:58:43.071 2550 ERROR nova.compute.manager [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481]   File
"/usr/lib/python2.7/site-packages/nova/network/neutronv2/api.py", line 1263, in
_update_ports_for_instance
2020-05-15 09:58:43.071 2550 ERROR nova.compute.manager [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481]     vif.destroy()
2020-05-15 09:58:43.071 2550 ERROR nova.compute.manager [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481]   File
"/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 220, in
__exit__
2020-05-15 09:58:43.071 2550 ERROR nova.compute.manager [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481]     self.force_reraise()
2020-05-15 09:58:43.071 2550 ERROR nova.compute.manager [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481]   File
"/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 196, in
force_reraise
2020-05-15 09:58:43.071 2550 ERROR nova.compute.manager [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481]     six.reraise(self.type_, self.value, self.tb)
2020-05-15 09:58:43.071 2550 ERROR nova.compute.manager [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481]   File
"/usr/lib/python2.7/site-packages/nova/network/neutronv2/api.py", line 1233, in
_update_ports_for_instance
2020-05-15 09:58:43.071 2550 ERROR nova.compute.manager [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481]     port_client, instance, port_id, port_req_body)
2020-05-15 09:58:43.071 2550 ERROR nova.compute.manager [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481]   File
"/usr/lib/python2.7/site-packages/nova/network/neutronv2/api.py", line 582, in
_update_port
2020-05-15 09:58:43.071 2550 ERROR nova.compute.manager [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481]     _ensure_no_port_binding_failure(port)
2020-05-15 09:58:43.071 2550 ERROR nova.compute.manager [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481]   File
"/usr/lib/python2.7/site-packages/nova/network/neutronv2/api.py", line 252, in
_ensure_no_port_binding_failure
2020-05-15 09:58:43.071 2550 ERROR nova.compute.manager [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481]     raise
exception.PortBindingFailed(port_id=port['id'])
2020-05-15 09:58:43.071 2550 ERROR nova.compute.manager [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481] PortBindingFailed: Binding failed for port
f214b130-489a-479e-a9a9-f59c91227e5f, please check neutron logs for more information.
2020-05-15 09:58:43.071 2550 ERROR nova.compute.manager [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481]
2020-05-15 09:58:43.071 2550 INFO nova.compute.manager
[req-89d70554-3ed5-47bc-a0af-d62616cae563 38ee4149b19e4c1d8712aa459891c5c3
5f893ea237cd411791ec53d3a1339d19 - default default] [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481] Terminating instance
2020-05-15 09:58:43.178 2550 INFO nova.virt.libvirt.driver [-] [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481] Instance destroyed successfully.
2020-05-15 09:58:43.192 2550 INFO nova.virt.libvirt.driver
[req-89d70554-3ed5-47bc-a0af-d62616cae563 38ee4149b19e4c1d8712aa459891c5c3
5f893ea237cd411791ec53d3a1339d19 - default default] [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481] Deleting instance files
/var/lib/nova/instances/c586c05b-f87b-4bc6-893f-25422a7e9481_del
2020-05-15 09:58:43.193 2550 INFO nova.virt.libvirt.driver
[req-89d70554-3ed5-47bc-a0af-d62616cae563 38ee4149b19e4c1d8712aa459891c5c3
5f893ea237cd411791ec53d3a1339d19 - default default] [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481] Deletion of
/var/lib/nova/instances/c586c05b-f87b-4bc6-893f-25422a7e9481_del complete
2020-05-15 09:58:43.238 2550 INFO nova.compute.manager
[req-89d70554-3ed5-47bc-a0af-d62616cae563 38ee4149b19e4c1d8712aa459891c5c3
5f893ea237cd411791ec53d3a1339d19 - default default] [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481] Took 0.06 seconds to destroy the instance on the
hypervisor.
2020-05-15 09:58:43.273 2550 INFO nova.compute.manager [-] [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481] Took 0.03 seconds to deallocate network for
instance.
2020-05-15 09:58:44.921 2550 INFO nova.compute.manager
[req-89d70554-3ed5-47bc-a0af-d62616cae563 38ee4149b19e4c1d8712aa459891c5c3
5f893ea237cd411791ec53d3a1339d19 - default default] [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481] Took 1.65 seconds to detach 1 volumes for instance.
2020-05-15 09:58:44.998 2550 ERROR nova.compute.manager
[req-89d70554-3ed5-47bc-a0af-d62616cae563 38ee4149b19e4c1d8712aa459891c5c3
5f893ea237cd411791ec53d3a1339d19 - default default] [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481] Failed to build and run instance: PortBindingFailed:
Binding failed for port f214b130-489a-479e-a9a9-f59c91227e5f, please check neutron logs
for more information.
2020-05-15 09:58:44.998 2550 ERROR nova.compute.manager [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481] Traceback (most recent call last):
2020-05-15 09:58:44.998 2550 ERROR nova.compute.manager [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481]   File
"/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 2353, in
_build_and_run_instance
2020-05-15 09:58:44.998 2550 ERROR nova.compute.manager [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481]     block_device_info=block_device_info)
2020-05-15 09:58:44.998 2550 ERROR nova.compute.manager [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481]   File
"/usr/lib/python2.7/site-packages/nova/virt/libvirt/driver.py", line 3199, in
spawn
2020-05-15 09:58:44.998 2550 ERROR nova.compute.manager [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481]     mdevs=mdevs)
2020-05-15 09:58:44.998 2550 ERROR nova.compute.manager [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481]   File
"/usr/lib/python2.7/site-packages/nova/virt/libvirt/driver.py", line 5492, in
_get_guest_xml
2020-05-15 09:58:44.998 2550 ERROR nova.compute.manager [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481]     network_info_str = str(network_info)
2020-05-15 09:58:44.998 2550 ERROR nova.compute.manager [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481]   File
"/usr/lib/python2.7/site-packages/nova/network/model.py", line 595, in __str__
2020-05-15 09:58:44.998 2550 ERROR nova.compute.manager [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481]     return self._sync_wrapper(fn, *args, **kwargs)
2020-05-15 09:58:44.998 2550 ERROR nova.compute.manager [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481]   File
"/usr/lib/python2.7/site-packages/nova/network/model.py", line 578, in
_sync_wrapper
2020-05-15 09:58:44.998 2550 ERROR nova.compute.manager [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481]     self.wait()
2020-05-15 09:58:44.998 2550 ERROR nova.compute.manager [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481]   File
"/usr/lib/python2.7/site-packages/nova/network/model.py", line 610, in wait
2020-05-15 09:58:44.998 2550 ERROR nova.compute.manager [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481]     self[:] = self._gt.wait()
2020-05-15 09:58:44.998 2550 ERROR nova.compute.manager [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481]   File
"/usr/lib/python2.7/site-packages/eventlet/greenthread.py", line 180, in wait
2020-05-15 09:58:44.998 2550 ERROR nova.compute.manager [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481]     return self._exit_event.wait()
2020-05-15 09:58:44.998 2550 ERROR nova.compute.manager [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481]   File
"/usr/lib/python2.7/site-packages/eventlet/event.py", line 132, in wait
2020-05-15 09:58:44.998 2550 ERROR nova.compute.manager [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481]     current.throw(*self._exc)
2020-05-15 09:58:44.998 2550 ERROR nova.compute.manager [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481]   File
"/usr/lib/python2.7/site-packages/eventlet/greenthread.py", line 219, in main
2020-05-15 09:58:44.998 2550 ERROR nova.compute.manager [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481]     result = function(*args, **kwargs)
2020-05-15 09:58:44.998 2550 ERROR nova.compute.manager [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481]   File
"/usr/lib/python2.7/site-packages/nova/utils.py", line 800, in context_wrapper
2020-05-15 09:58:44.998 2550 ERROR nova.compute.manager [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481]     return func(*args, **kwargs)
2020-05-15 09:58:44.998 2550 ERROR nova.compute.manager [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481]   File
"/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 1635, in
_allocate_network_async
2020-05-15 09:58:44.998 2550 ERROR nova.compute.manager [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481]     six.reraise(*exc_info)
2020-05-15 09:58:44.998 2550 ERROR nova.compute.manager [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481]   File
"/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 1618, in
_allocate_network_async
2020-05-15 09:58:44.998 2550 ERROR nova.compute.manager [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481]    
resource_provider_mapping=resource_provider_mapping)
2020-05-15 09:58:44.998 2550 ERROR nova.compute.manager [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481]   File
"/usr/lib/python2.7/site-packages/nova/network/neutronv2/api.py", line 1130, in
allocate_for_instance
2020-05-15 09:58:44.998 2550 ERROR nova.compute.manager [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481]     bind_host_id, available_macs,
requested_ports_dict)
2020-05-15 09:58:44.998 2550 ERROR nova.compute.manager [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481]   File
"/usr/lib/python2.7/site-packages/nova/network/neutronv2/api.py", line 1263, in
_update_ports_for_instance
2020-05-15 09:58:44.998 2550 ERROR nova.compute.manager [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481]     vif.destroy()
2020-05-15 09:58:44.998 2550 ERROR nova.compute.manager [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481]   File
"/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 220, in
__exit__
2020-05-15 09:58:44.998 2550 ERROR nova.compute.manager [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481]     self.force_reraise()
2020-05-15 09:58:44.998 2550 ERROR nova.compute.manager [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481]   File
"/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 196, in
force_reraise
2020-05-15 09:58:44.998 2550 ERROR nova.compute.manager [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481]     six.reraise(self.type_, self.value, self.tb)
2020-05-15 09:58:44.998 2550 ERROR nova.compute.manager [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481]   File
"/usr/lib/python2.7/site-packages/nova/network/neutronv2/api.py", line 1233, in
_update_ports_for_instance
2020-05-15 09:58:44.998 2550 ERROR nova.compute.manager [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481]     port_client, instance, port_id, port_req_body)
2020-05-15 09:58:44.998 2550 ERROR nova.compute.manager [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481]   File
"/usr/lib/python2.7/site-packages/nova/network/neutronv2/api.py", line 582, in
_update_port
2020-05-15 09:58:44.998 2550 ERROR nova.compute.manager [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481]     _ensure_no_port_binding_failure(port)
2020-05-15 09:58:44.998 2550 ERROR nova.compute.manager [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481]   File
"/usr/lib/python2.7/site-packages/nova/network/neutronv2/api.py", line 252, in
_ensure_no_port_binding_failure
2020-05-15 09:58:44.998 2550 ERROR nova.compute.manager [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481]     raise
exception.PortBindingFailed(port_id=port['id'])
2020-05-15 09:58:44.998 2550 ERROR nova.compute.manager [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481] PortBindingFailed: Binding failed for port
f214b130-489a-479e-a9a9-f59c91227e5f, please check neutron logs for more information.
2020-05-15 09:58:44.998 2550 ERROR nova.compute.manager [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481]
2020-05-15 09:58:45.036 2550 INFO nova.compute.manager
[req-89d70554-3ed5-47bc-a0af-d62616cae563 38ee4149b19e4c1d8712aa459891c5c3
5f893ea237cd411791ec53d3a1339d19 - default default] [instance:
c586c05b-f87b-4bc6-893f-25422a7e9481] Took 0.03 seconds to deallocate network for
instance.

Neutron Log:
2020-05-15 09:58:38.626 3266 ERROR neutron.plugins.ml2.managers
[req-db7b226d-86ae-44ce-82ec-1fdc2fd8f55c 02e832b6d9f843fc85483e168a9bad69
d8c22bfdc3d94d3e805ea5099799764c - default default] Failed to bind port
f214b130-489a-479e-a9a9-f59c91227e5f on host localhost.localdomain for vnic_type normal
using segments [{'network_id': 'f2c06235-f72f-433d-9e64-189219bbc2c4',
'segmentation_id': None, 'physical_network': u'extne
t', 'id': '5945ae55-7f4b-4d0e-ba98-0bd350e5ca09',
'network_type': u'flat'}]
2020-05-15 09:58:38.626 3266 INFO neutron.plugins.ml2.plugin
[req-db7b226d-86ae-44ce-82ec-1fdc2fd8f55c 02e832b6d9f843fc85483e168a9bad69
d8c22bfdc3d94d3e805ea5099799764c - default default] Attempt 2 to bind port
f214b130-489a-479e-a9a9-f59c91227e5f

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[rdo-users] Neutron failing to bind port when launching instances