+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-09-10 02:26:29.294 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-09-10 02:26:29.554 1 INFO cinder.rpc [None req-9254fcd1-1a50-4688-962c-721bddd1cfea - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-09-10 02:26:29.560 1 INFO cinder.rpc [None req-9254fcd1-1a50-4688-962c-721bddd1cfea - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version.
2026-09-10 02:26:29.563 1 INFO cinder.rpc [None req-9254fcd1-1a50-4688-962c-721bddd1cfea - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-09-10 02:26:29.566 1 INFO cinder.rpc [None req-9254fcd1-1a50-4688-962c-721bddd1cfea - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-09-10 02:26:29.570 1 INFO cinder.rpc [None req-9254fcd1-1a50-4688-962c-721bddd1cfea - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-09-10 02:26:29.586 1 INFO cinder.rpc [None req-9254fcd1-1a50-4688-962c-721bddd1cfea - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-09-10 02:26:29.643 1 WARNING oslo_config.cfg [None req-9254fcd1-1a50-4688-962c-721bddd1cfea - - - - - -] 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.
2026-09-10 02:26:29.644 1 WARNING oslo_config.cfg [None req-9254fcd1-1a50-4688-962c-721bddd1cfea - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-09-10 02:26:29.653 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.9)
2026-09-10 02:26:29.672 1 INFO cinder.backup.manager [None req-ef4b28df-d514-44b3-b80f-382b4c3f1bb9 - - - - - -] Cleaning up incomplete backup operations.
2026-09-10 02:26:29.943 1 INFO cinder.keymgr.migration [None req-dcfd7932-3d98-475b-8421-9ee885934cda - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.