May 20 15:21:37.491765 np0000001079 systemd[1]: Started devstack@n-novnc-cell1.service - Devstack devstack@n-novnc-cell1.service.
May 20 15:21:37.740791 np0000001079 nova-novncproxy[95873]: /opt/stack/nova/nova/monkey_patch.py:39: EventletDeprecationWarning:
May 20 15:21:37.740791 np0000001079 nova-novncproxy[95873]: Eventlet is deprecated. It is currently being maintained in bugfix mode, and
May 20 15:21:37.740791 np0000001079 nova-novncproxy[95873]: we strongly recommend against using it for new projects.
May 20 15:21:37.740791 np0000001079 nova-novncproxy[95873]: If you are already using Eventlet, we recommend migrating to a different
May 20 15:21:37.740791 np0000001079 nova-novncproxy[95873]: framework.  For more detail see
May 20 15:21:37.740791 np0000001079 nova-novncproxy[95873]: https://eventlet.readthedocs.io/en/latest/asyncio/migration.html
May 20 15:21:37.740791 np0000001079 nova-novncproxy[95873]:   import eventlet
May 20 15:21:37.910845 np0000001079 nova-novncproxy[95873]: Eventlet based concurrency mode is deprecated and will be removed in a future release, not earlier than 2027.2. Please migrate to native threading mode. See the concurrency guide for details: https://docs.openstack.org/nova/latest/admin/concurrency.html
May 20 15:21:39.125155 np0000001079 nova-novncproxy[95873]: INFO nova.console.websocketproxy [-] WebSocket server settings:
May 20 15:21:39.125155 np0000001079 nova-novncproxy[95873]: INFO nova.console.websocketproxy [-]   - Listen on 0.0.0.0:6080
May 20 15:21:39.125155 np0000001079 nova-novncproxy[95873]: INFO nova.console.websocketproxy [-]   - Web server (no directory listings). Web root: /opt/stack/novnc
May 20 15:21:39.125155 np0000001079 nova-novncproxy[95873]: INFO nova.console.websocketproxy [-]   - No SSL/TLS support (no cert file)
May 20 15:21:39.125708 np0000001079 nova-novncproxy[95873]: INFO nova.console.websocketproxy [-]   - proxying from 0.0.0.0:6080 to None:None