+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-09-02 12:55:50.167 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-09-02 12:55:50.433 1 INFO cinder.rpc [None req-bd9bad52-5e96-4cc6-a29e-543f2747027d - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-09-02 12:55:50.436 1 INFO cinder.rpc [None req-bd9bad52-5e96-4cc6-a29e-543f2747027d - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-09-02 12:55:50.439 1 INFO cinder.rpc [None req-bd9bad52-5e96-4cc6-a29e-543f2747027d - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-09-02 12:55:50.441 1 INFO cinder.rpc [None req-bd9bad52-5e96-4cc6-a29e-543f2747027d - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-09-02 12:55:50.444 1 INFO cinder.rpc [None req-bd9bad52-5e96-4cc6-a29e-543f2747027d - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-09-02 12:55:50.446 1 INFO cinder.rpc [None req-bd9bad52-5e96-4cc6-a29e-543f2747027d - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-09-02 12:55:50.510 1 WARNING oslo_config.cfg [None req-bd9bad52-5e96-4cc6-a29e-543f2747027d - - - - - -] 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.
2026-09-02 12:55:50.510 1 WARNING oslo_config.cfg [None req-bd9bad52-5e96-4cc6-a29e-543f2747027d - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-09-02 12:55:50.519 1 INFO cinder.service [-] Starting cinder-backup node (version 27.0.25)
2026-09-02 12:55:50.542 1 INFO cinder.backup.manager [None req-b76ae689-73f8-4b29-b5c8-d287a2acb8ce - - - - - -] Cleaning up incomplete backup operations.
2026-09-02 12:55:50.605 1 INFO cinder.keymgr.migration [None req-f9839559-27fc-40dc-80c9-469e1b7add41 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.