+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-07-31 13:20:14.485 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-07-31 13:20:14.774 1 INFO cinder.rpc [None req-9516810b-7315-41b8-966d-dd62b370dea5 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-07-31 13:20:14.776 1 INFO cinder.rpc [None req-9516810b-7315-41b8-966d-dd62b370dea5 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-07-31 13:20:14.778 1 INFO cinder.rpc [None req-9516810b-7315-41b8-966d-dd62b370dea5 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-07-31 13:20:14.780 1 INFO cinder.rpc [None req-9516810b-7315-41b8-966d-dd62b370dea5 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-07-31 13:20:14.783 1 INFO cinder.rpc [None req-9516810b-7315-41b8-966d-dd62b370dea5 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-07-31 13:20:14.785 1 INFO cinder.rpc [None req-9516810b-7315-41b8-966d-dd62b370dea5 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-07-31 13:20:14.891 1 WARNING oslo_config.cfg [None req-9516810b-7315-41b8-966d-dd62b370dea5 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated for removal (The auth_uri option is deprecated in favor of www_authenticate_uri and will be removed in the S  release.).  Its value may be silently ignored in the future.
2026-07-31 13:20:14.893 1 WARNING oslo_config.cfg [None req-9516810b-7315-41b8-966d-dd62b370dea5 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-07-31 13:20:14.907 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0)
2026-07-31 13:20:14.942 1 INFO cinder.backup.manager [None req-f57f6949-2d38-4307-b600-04325e7e07a1 - - - - - -] Cleaning up incomplete backup operations.
2026-07-31 13:20:15.006 1 INFO cinder.keymgr.migration [None req-24c4ab45-c27a-46ea-9881-0175597a34f3 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.