Aug 25 11:12:45.437864 np0000008072 systemd[1]: Starting devstack@c-api.service - Devstack devstack@c-api.service... Aug 25 11:12:45.443142 np0000008072 devstack@c-api.service[97045]: [uWSGI] getting INI configuration from /etc/cinder/cinder-api-uwsgi.ini Aug 25 11:12:45.445710 np0000008072 devstack@c-api.service[97045]: *** Starting uWSGI 2.0.24-debian (64bit) on [Tue Aug 25 11:12:45 2026] *** Aug 25 11:12:45.445710 np0000008072 devstack@c-api.service[97045]: compiled with version: 13.2.0 on 17 April 2024 16:23:48 Aug 25 11:12:45.445710 np0000008072 devstack@c-api.service[97045]: os: Linux-6.8.0-138-generic #138-Ubuntu SMP PREEMPT_DYNAMIC Fri Jul 31 22:41:49 UTC 2026 Aug 25 11:12:45.445710 np0000008072 devstack@c-api.service[97045]: nodename: np0000008072 Aug 25 11:12:45.445710 np0000008072 devstack@c-api.service[97045]: machine: x86_64 Aug 25 11:12:45.445710 np0000008072 devstack@c-api.service[97045]: clock source: unix Aug 25 11:12:45.445710 np0000008072 devstack@c-api.service[97045]: pcre jit disabled Aug 25 11:12:45.445710 np0000008072 devstack@c-api.service[97045]: detected number of CPU cores: 16 Aug 25 11:12:45.445710 np0000008072 devstack@c-api.service[97045]: current working directory: / Aug 25 11:12:45.445710 np0000008072 devstack@c-api.service[97045]: detected binary path: /usr/bin/uwsgi-core Aug 25 11:12:45.445710 np0000008072 devstack@c-api.service[97045]: your processes number limit is 252954 Aug 25 11:12:45.445710 np0000008072 devstack@c-api.service[97045]: your memory page size is 4096 bytes Aug 25 11:12:45.445710 np0000008072 devstack@c-api.service[97045]: detected max file descriptor number: 2048 Aug 25 11:12:45.445710 np0000008072 devstack@c-api.service[97045]: lock engine: pthread robust mutexes Aug 25 11:12:45.446219 np0000008072 devstack@c-api.service[97045]: thunder lock: enabled Aug 25 11:12:45.446219 np0000008072 devstack@c-api.service[97045]: uwsgi socket 0 bound to UNIX address /var/run/uwsgi/cinder-api.socket fd 4 Aug 25 11:12:45.446219 np0000008072 devstack@c-api.service[97045]: Python version: 3.12.3 (main, Jun 19 2026, 12:46:00) [GCC 13.3.0] Aug 25 11:12:45.446219 np0000008072 devstack@c-api.service[97045]: PEP 405 virtualenv detected: /opt/stack/data/venv Aug 25 11:12:45.446219 np0000008072 devstack@c-api.service[97045]: Set PythonHome to /opt/stack/data/venv Aug 25 11:12:45.480590 np0000008072 devstack@c-api.service[97045]: Python main interpreter initialized at 0x773068aa4668 Aug 25 11:12:45.480590 np0000008072 devstack@c-api.service[97045]: python threads support enabled Aug 25 11:12:45.480590 np0000008072 devstack@c-api.service[97045]: your server socket listen backlog is limited to 100 connections Aug 25 11:12:45.480590 np0000008072 devstack@c-api.service[97045]: your mercy for graceful operations on workers is 80 seconds Aug 25 11:12:45.480987 np0000008072 devstack@c-api.service[97045]: mapped 537436 bytes (524 KB) for 3 cores Aug 25 11:12:45.481093 np0000008072 devstack@c-api.service[97045]: *** Operational MODE: preforking *** Aug 25 11:12:45.481289 np0000008072 devstack@c-api.service[97045]: *** uWSGI is running in multiple interpreter mode *** Aug 25 11:12:45.481289 np0000008072 devstack@c-api.service[97045]: spawned uWSGI master process (pid: 97045) Aug 25 11:12:45.481498 np0000008072 systemd[1]: Started devstack@c-api.service - Devstack devstack@c-api.service. Aug 25 11:12:45.481939 np0000008072 devstack@c-api.service[97045]: spawned uWSGI worker 1 (pid: 97046, cores: 1) Aug 25 11:12:45.482535 np0000008072 devstack@c-api.service[97045]: spawned uWSGI worker 2 (pid: 97047, cores: 1) Aug 25 11:12:45.483524 np0000008072 devstack@c-api.service[97045]: spawned uWSGI worker 3 (pid: 97048, cores: 1) Aug 25 11:12:45.483524 np0000008072 devstack@c-api.service[97045]: running "unix_signal:15 gracefully_kill_them_all" (master-start)... Aug 25 11:12:45.614034 np0000008072 devstack@c-api.service[97046]: /opt/stack/cinder/cinder/__init__.py:21: EventletDeprecationWarning: Aug 25 11:12:45.614034 np0000008072 devstack@c-api.service[97046]: Eventlet is deprecated. It is currently being maintained in bugfix mode, and Aug 25 11:12:45.614034 np0000008072 devstack@c-api.service[97046]: we strongly recommend against using it for new projects. Aug 25 11:12:45.614034 np0000008072 devstack@c-api.service[97046]: If you are already using Eventlet, we recommend migrating to a different Aug 25 11:12:45.614034 np0000008072 devstack@c-api.service[97046]: framework. For more detail see Aug 25 11:12:45.614034 np0000008072 devstack@c-api.service[97046]: https://eventlet.readthedocs.io/en/latest/asyncio/migration.html Aug 25 11:12:45.614034 np0000008072 devstack@c-api.service[97046]: import eventlet # noqa Aug 25 11:12:45.617629 np0000008072 devstack@c-api.service[97048]: /opt/stack/cinder/cinder/__init__.py:21: EventletDeprecationWarning: Aug 25 11:12:45.617629 np0000008072 devstack@c-api.service[97048]: Eventlet is deprecated. It is currently being maintained in bugfix mode, and Aug 25 11:12:45.617629 np0000008072 devstack@c-api.service[97048]: we strongly recommend against using it for new projects. Aug 25 11:12:45.617629 np0000008072 devstack@c-api.service[97048]: If you are already using Eventlet, we recommend migrating to a different Aug 25 11:12:45.617629 np0000008072 devstack@c-api.service[97048]: framework. For more detail see Aug 25 11:12:45.617629 np0000008072 devstack@c-api.service[97048]: https://eventlet.readthedocs.io/en/latest/asyncio/migration.html Aug 25 11:12:45.617629 np0000008072 devstack@c-api.service[97048]: import eventlet # noqa Aug 25 11:12:45.622229 np0000008072 devstack@c-api.service[97047]: /opt/stack/cinder/cinder/__init__.py:21: EventletDeprecationWarning: Aug 25 11:12:45.622229 np0000008072 devstack@c-api.service[97047]: Eventlet is deprecated. It is currently being maintained in bugfix mode, and Aug 25 11:12:45.622229 np0000008072 devstack@c-api.service[97047]: we strongly recommend against using it for new projects. Aug 25 11:12:45.622229 np0000008072 devstack@c-api.service[97047]: If you are already using Eventlet, we recommend migrating to a different Aug 25 11:12:45.622229 np0000008072 devstack@c-api.service[97047]: framework. For more detail see Aug 25 11:12:45.622229 np0000008072 devstack@c-api.service[97047]: https://eventlet.readthedocs.io/en/latest/asyncio/migration.html Aug 25 11:12:45.622229 np0000008072 devstack@c-api.service[97047]: import eventlet # noqa Aug 25 11:12:45.785085 np0000008072 devstack@c-api.service[97048]: /opt/stack/data/venv/lib/python3.12/site-packages/webob/compat.py:5: DeprecationWarning: 'cgi' is deprecated and slated for removal in Python 3.13 Aug 25 11:12:45.785085 np0000008072 devstack@c-api.service[97048]: from cgi import parse_header Aug 25 11:12:45.791914 np0000008072 devstack@c-api.service[97046]: /opt/stack/data/venv/lib/python3.12/site-packages/webob/compat.py:5: DeprecationWarning: 'cgi' is deprecated and slated for removal in Python 3.13 Aug 25 11:12:45.791914 np0000008072 devstack@c-api.service[97046]: from cgi import parse_header Aug 25 11:12:45.799152 np0000008072 devstack@c-api.service[97047]: /opt/stack/data/venv/lib/python3.12/site-packages/webob/compat.py:5: DeprecationWarning: 'cgi' is deprecated and slated for removal in Python 3.13 Aug 25 11:12:45.799152 np0000008072 devstack@c-api.service[97047]: from cgi import parse_header Aug 25 11:12:45.824809 np0000008072 devstack@c-api.service[97048]: /opt/stack/data/venv/lib/python3.12/site-packages/oslo_utils/eventletutils.py:34: DeprecationWarning: eventletutils module is deprecated and will be removed. Aug 25 11:12:45.824809 np0000008072 devstack@c-api.service[97048]: warnings.warn( Aug 25 11:12:45.830692 np0000008072 devstack@c-api.service[97046]: /opt/stack/data/venv/lib/python3.12/site-packages/oslo_utils/eventletutils.py:34: DeprecationWarning: eventletutils module is deprecated and will be removed. Aug 25 11:12:45.830692 np0000008072 devstack@c-api.service[97046]: warnings.warn( Aug 25 11:12:45.836182 np0000008072 devstack@c-api.service[97048]: /opt/stack/data/venv/lib/python3.12/site-packages/oslo_service/eventlet_backdoor.py:36: DeprecationWarning: The 'oslo_service.eventlet_backdoor' module usage is deprecated and will be removed in version '2026.2': The 'eventlet_backdoor' module is deprecated and will be removed in version 2026.2. This module is not being replaced. Please migrate away from using it and remove any dependencies on this module. Aug 25 11:12:45.836182 np0000008072 devstack@c-api.service[97048]: removals.removed_module( Aug 25 11:12:45.836417 np0000008072 devstack@c-api.service[97047]: /opt/stack/data/venv/lib/python3.12/site-packages/oslo_utils/eventletutils.py:34: DeprecationWarning: eventletutils module is deprecated and will be removed. Aug 25 11:12:45.836417 np0000008072 devstack@c-api.service[97047]: warnings.warn( Aug 25 11:12:45.837098 np0000008072 devstack@c-api.service[97048]: /opt/stack/data/venv/lib/python3.12/site-packages/oslo_service/sslutils.py:24: DeprecationWarning: The 'oslo_service.sslutils' module usage is deprecated and will be removed in version '2026.2': The 'oslo_service.sslutils' module is deprecated and will be removed in version 2026.2. Aug 25 11:12:45.837098 np0000008072 devstack@c-api.service[97048]: removals.removed_module( Aug 25 11:12:45.842764 np0000008072 devstack@c-api.service[97046]: /opt/stack/data/venv/lib/python3.12/site-packages/oslo_service/eventlet_backdoor.py:36: DeprecationWarning: The 'oslo_service.eventlet_backdoor' module usage is deprecated and will be removed in version '2026.2': The 'eventlet_backdoor' module is deprecated and will be removed in version 2026.2. This module is not being replaced. Please migrate away from using it and remove any dependencies on this module. Aug 25 11:12:45.842764 np0000008072 devstack@c-api.service[97046]: removals.removed_module( Aug 25 11:12:45.843533 np0000008072 devstack@c-api.service[97046]: /opt/stack/data/venv/lib/python3.12/site-packages/oslo_service/sslutils.py:24: DeprecationWarning: The 'oslo_service.sslutils' module usage is deprecated and will be removed in version '2026.2': The 'oslo_service.sslutils' module is deprecated and will be removed in version 2026.2. Aug 25 11:12:45.843533 np0000008072 devstack@c-api.service[97046]: removals.removed_module( Aug 25 11:12:45.847608 np0000008072 devstack@c-api.service[97047]: /opt/stack/data/venv/lib/python3.12/site-packages/oslo_service/eventlet_backdoor.py:36: DeprecationWarning: The 'oslo_service.eventlet_backdoor' module usage is deprecated and will be removed in version '2026.2': The 'eventlet_backdoor' module is deprecated and will be removed in version 2026.2. This module is not being replaced. Please migrate away from using it and remove any dependencies on this module. Aug 25 11:12:45.847608 np0000008072 devstack@c-api.service[97047]: removals.removed_module( Aug 25 11:12:45.848344 np0000008072 devstack@c-api.service[97047]: /opt/stack/data/venv/lib/python3.12/site-packages/oslo_service/sslutils.py:24: DeprecationWarning: The 'oslo_service.sslutils' module usage is deprecated and will be removed in version '2026.2': The 'oslo_service.sslutils' module is deprecated and will be removed in version 2026.2. Aug 25 11:12:45.848344 np0000008072 devstack@c-api.service[97047]: removals.removed_module( Aug 25 11:12:46.645441 np0000008072 devstack@c-api.service[97048]: /opt/stack/data/venv/lib/python3.12/site-packages/oslo_policy/policy.py:1630: DeprecationWarning: volume_extension:quotas:show deprecated without deprecated_reason or deprecated_since. This will be an error in a future release Aug 25 11:12:46.645441 np0000008072 devstack@c-api.service[97048]: warnings.warn( Aug 25 11:12:46.653327 np0000008072 devstack@c-api.service[97047]: /opt/stack/data/venv/lib/python3.12/site-packages/oslo_policy/policy.py:1630: DeprecationWarning: volume_extension:quotas:show deprecated without deprecated_reason or deprecated_since. This will be an error in a future release Aug 25 11:12:46.653327 np0000008072 devstack@c-api.service[97047]: warnings.warn( Aug 25 11:12:46.688250 np0000008072 devstack@c-api.service[97046]: /opt/stack/data/venv/lib/python3.12/site-packages/oslo_policy/policy.py:1630: DeprecationWarning: volume_extension:quotas:show deprecated without deprecated_reason or deprecated_since. This will be an error in a future release Aug 25 11:12:46.688250 np0000008072 devstack@c-api.service[97046]: warnings.warn( Aug 25 11:12:46.705543 np0000008072 devstack@c-api.service[97048]: /opt/stack/data/venv/lib/python3.12/site-packages/eventlet/__init__.py:83: DeprecationWarning: Using fork() is a bad idea, and there is no guarantee eventlet will work. See https://eventlet.readthedocs.io/en/latest/fork.html for more details. Aug 25 11:12:46.705543 np0000008072 devstack@c-api.service[97048]: warnings.warn( Aug 25 11:12:46.705822 np0000008072 devstack@c-api.service[97047]: /opt/stack/data/venv/lib/python3.12/site-packages/eventlet/__init__.py:83: DeprecationWarning: Using fork() is a bad idea, and there is no guarantee eventlet will work. See https://eventlet.readthedocs.io/en/latest/fork.html for more details. Aug 25 11:12:46.705822 np0000008072 devstack@c-api.service[97047]: warnings.warn( Aug 25 11:12:46.741810 np0000008072 devstack@c-api.service[97046]: /opt/stack/data/venv/lib/python3.12/site-packages/eventlet/__init__.py:83: DeprecationWarning: Using fork() is a bad idea, and there is no guarantee eventlet will work. See https://eventlet.readthedocs.io/en/latest/fork.html for more details. Aug 25 11:12:46.741810 np0000008072 devstack@c-api.service[97046]: warnings.warn( Aug 25 11:12:46.818307 np0000008072 devstack@c-api.service[97047]: Traceback (most recent call last): Aug 25 11:12:46.818307 np0000008072 devstack@c-api.service[97047]: File "/opt/stack/cinder/cinder/wsgi/api.py", line 17, in Aug 25 11:12:46.818688 np0000008072 devstack@c-api.service[97047]: from cinder.wsgi import wsgi Aug 25 11:12:46.818688 np0000008072 devstack@c-api.service[97047]: File "/opt/stack/cinder/cinder/wsgi/wsgi.py", line 33, in Aug 25 11:12:46.818688 np0000008072 devstack@c-api.service[97047]: from cinder import service Aug 25 11:12:46.818688 np0000008072 devstack@c-api.service[97047]: File "/opt/stack/cinder/cinder/service.py", line 50, in Aug 25 11:12:46.818688 np0000008072 devstack@c-api.service[97047]: from cinder.volume import volume_utils Aug 25 11:12:46.818688 np0000008072 devstack@c-api.service[97047]: File "/opt/stack/cinder/cinder/volume/volume_utils.py", line 65, in Aug 25 11:12:46.818688 np0000008072 devstack@c-api.service[97047]: from cinder.volume import driver Aug 25 11:12:46.818688 np0000008072 devstack@c-api.service[97047]: File "/opt/stack/cinder/cinder/volume/driver.py", line 419, in Aug 25 11:12:46.819155 np0000008072 devstack@c-api.service[97047]: CONF.import_opt('backup_use_same_host', 'cinder.backup.api') Aug 25 11:12:46.819155 np0000008072 devstack@c-api.service[97047]: File "/opt/stack/data/venv/lib/python3.12/site-packages/oslo_config/cfg.py", line 3356, in import_opt Aug 25 11:12:46.819323 np0000008072 devstack@c-api.service[97047]: __import__(module_str) Aug 25 11:12:46.819404 np0000008072 devstack@c-api.service[97047]: File "/opt/stack/cinder/cinder/backup/api.py", line 60, in Aug 25 11:12:46.819404 np0000008072 devstack@c-api.service[97047]: class API(base.Base): Aug 25 11:12:46.819404 np0000008072 devstack@c-api.service[97047]: File "/opt/stack/cinder/cinder/backup/api.py", line 379, in API Aug 25 11:12:46.819584 np0000008072 devstack@c-api.service[97047]: backup: objects.Backup): Aug 25 11:12:46.819584 np0000008072 devstack@c-api.service[97047]: ^^^^^^^^^^^^^^ Aug 25 11:12:46.819584 np0000008072 devstack@c-api.service[97047]: AttributeError: module 'cinder.objects' has no attribute 'Backup' Aug 25 11:12:46.819584 np0000008072 devstack@c-api.service[97047]: unable to load app 0 (mountpoint='') (callable not found or import error) Aug 25 11:12:46.819584 np0000008072 devstack@c-api.service[97047]: *** no app loaded. going in full dynamic mode *** Aug 25 11:12:46.819860 np0000008072 devstack@c-api.service[97047]: --- no python application found, check your startup logs for errors --- Aug 25 11:12:46.819860 np0000008072 devstack@c-api.service[97047]: [pid: 97047|app: -1|req: -1/1] 10.4.3.87 () {60 vars in 918 bytes} [Tue Aug 25 11:12:46 2026] GET /volume/v3/ => generated 21 bytes in 0 msecs (HTTP/1.1 500) 3 headers in 102 bytes (0 switches on core 0) Aug 25 11:12:46.833234 np0000008072 devstack@c-api.service[97048]: Traceback (most recent call last): Aug 25 11:12:46.833234 np0000008072 devstack@c-api.service[97048]: File "/opt/stack/cinder/cinder/wsgi/api.py", line 17, in Aug 25 11:12:46.833843 np0000008072 devstack@c-api.service[97048]: from cinder.wsgi import wsgi Aug 25 11:12:46.833843 np0000008072 devstack@c-api.service[97048]: File "/opt/stack/cinder/cinder/wsgi/wsgi.py", line 33, in Aug 25 11:12:46.834051 np0000008072 devstack@c-api.service[97048]: from cinder import service Aug 25 11:12:46.834051 np0000008072 devstack@c-api.service[97048]: File "/opt/stack/cinder/cinder/service.py", line 50, in Aug 25 11:12:46.834051 np0000008072 devstack@c-api.service[97048]: from cinder.volume import volume_utils Aug 25 11:12:46.834051 np0000008072 devstack@c-api.service[97048]: File "/opt/stack/cinder/cinder/volume/volume_utils.py", line 65, in Aug 25 11:12:46.834396 np0000008072 devstack@c-api.service[97048]: from cinder.volume import driver Aug 25 11:12:46.834396 np0000008072 devstack@c-api.service[97048]: File "/opt/stack/cinder/cinder/volume/driver.py", line 419, in Aug 25 11:12:46.834396 np0000008072 devstack@c-api.service[97048]: CONF.import_opt('backup_use_same_host', 'cinder.backup.api') Aug 25 11:12:46.834396 np0000008072 devstack@c-api.service[97048]: File "/opt/stack/data/venv/lib/python3.12/site-packages/oslo_config/cfg.py", line 3356, in import_opt Aug 25 11:12:46.834813 np0000008072 devstack@c-api.service[97048]: __import__(module_str) Aug 25 11:12:46.834813 np0000008072 devstack@c-api.service[97048]: File "/opt/stack/cinder/cinder/backup/api.py", line 60, in Aug 25 11:12:46.835020 np0000008072 devstack@c-api.service[97048]: class API(base.Base): Aug 25 11:12:46.835020 np0000008072 devstack@c-api.service[97048]: File "/opt/stack/cinder/cinder/backup/api.py", line 379, in API Aug 25 11:12:46.835020 np0000008072 devstack@c-api.service[97048]: backup: objects.Backup): Aug 25 11:12:46.835020 np0000008072 devstack@c-api.service[97048]: ^^^^^^^^^^^^^^ Aug 25 11:12:46.835020 np0000008072 devstack@c-api.service[97048]: AttributeError: module 'cinder.objects' has no attribute 'Backup' Aug 25 11:12:46.835386 np0000008072 devstack@c-api.service[97048]: unable to load app 0 (mountpoint='') (callable not found or import error) Aug 25 11:12:46.835386 np0000008072 devstack@c-api.service[97048]: *** no app loaded. going in full dynamic mode *** Aug 25 11:12:46.895803 np0000008072 devstack@c-api.service[97046]: Traceback (most recent call last): Aug 25 11:12:46.895803 np0000008072 devstack@c-api.service[97046]: File "/opt/stack/cinder/cinder/wsgi/api.py", line 17, in Aug 25 11:12:46.896117 np0000008072 devstack@c-api.service[97046]: from cinder.wsgi import wsgi Aug 25 11:12:46.896117 np0000008072 devstack@c-api.service[97046]: File "/opt/stack/cinder/cinder/wsgi/wsgi.py", line 33, in Aug 25 11:12:46.896117 np0000008072 devstack@c-api.service[97046]: from cinder import service Aug 25 11:12:46.896117 np0000008072 devstack@c-api.service[97046]: File "/opt/stack/cinder/cinder/service.py", line 50, in Aug 25 11:12:46.896259 np0000008072 devstack@c-api.service[97046]: from cinder.volume import volume_utils Aug 25 11:12:46.896259 np0000008072 devstack@c-api.service[97046]: File "/opt/stack/cinder/cinder/volume/volume_utils.py", line 65, in Aug 25 11:12:46.896305 np0000008072 devstack@c-api.service[97046]: from cinder.volume import driver Aug 25 11:12:46.896342 np0000008072 devstack@c-api.service[97046]: File "/opt/stack/cinder/cinder/volume/driver.py", line 419, in Aug 25 11:12:46.896538 np0000008072 devstack@c-api.service[97046]: CONF.import_opt('backup_use_same_host', 'cinder.backup.api') Aug 25 11:12:46.896576 np0000008072 devstack@c-api.service[97046]: File "/opt/stack/data/venv/lib/python3.12/site-packages/oslo_config/cfg.py", line 3356, in import_opt Aug 25 11:12:46.897580 np0000008072 devstack@c-api.service[97046]: __import__(module_str) Aug 25 11:12:46.897634 np0000008072 devstack@c-api.service[97046]: File "/opt/stack/cinder/cinder/backup/api.py", line 60, in Aug 25 11:12:46.897722 np0000008072 devstack@c-api.service[97046]: class API(base.Base): Aug 25 11:12:46.897722 np0000008072 devstack@c-api.service[97046]: File "/opt/stack/cinder/cinder/backup/api.py", line 379, in API Aug 25 11:12:46.897928 np0000008072 devstack@c-api.service[97046]: backup: objects.Backup): Aug 25 11:12:46.897964 np0000008072 devstack@c-api.service[97046]: ^^^^^^^^^^^^^^ Aug 25 11:12:46.897986 np0000008072 devstack@c-api.service[97046]: AttributeError: module 'cinder.objects' has no attribute 'Backup' Aug 25 11:12:46.897986 np0000008072 devstack@c-api.service[97046]: unable to load app 0 (mountpoint='') (callable not found or import error) Aug 25 11:12:46.898021 np0000008072 devstack@c-api.service[97046]: *** no app loaded. going in full dynamic mode *** Aug 25 11:12:51.775601 np0000008072 devstack@c-api.service[97047]: --- no python application found, check your startup logs for errors --- Aug 25 11:12:51.775601 np0000008072 devstack@c-api.service[97047]: [pid: 97047|app: -1|req: -1/2] 10.4.3.87 () {68 vars in 1295 bytes} [Tue Aug 25 11:12:51 2026] POST /volume/v3/types => generated 21 bytes in 0 msecs (HTTP/1.1 500) 3 headers in 102 bytes (0 switches on core 0)