+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-09-07 11:18:08.754 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-09-07 11:18:09.027 1 INFO cinder.rpc [None req-12cd5148-eeb1-4fad-be26-ec783a7ff034 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-09-07 11:18:09.030 1 INFO cinder.rpc [None req-12cd5148-eeb1-4fad-be26-ec783a7ff034 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-09-07 11:18:09.032 1 INFO cinder.rpc [None req-12cd5148-eeb1-4fad-be26-ec783a7ff034 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-09-07 11:18:09.035 1 INFO cinder.rpc [None req-12cd5148-eeb1-4fad-be26-ec783a7ff034 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-09-07 11:18:09.038 1 INFO cinder.rpc [None req-12cd5148-eeb1-4fad-be26-ec783a7ff034 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-09-07 11:18:09.041 1 INFO cinder.rpc [None req-12cd5148-eeb1-4fad-be26-ec783a7ff034 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-09-07 11:18:09.144 1 WARNING oslo_config.cfg [None req-12cd5148-eeb1-4fad-be26-ec783a7ff034 - - - - - -] 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.
2026-09-07 11:18:09.147 1 WARNING oslo_config.cfg [None req-12cd5148-eeb1-4fad-be26-ec783a7ff034 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-09-07 11:18:09.170 1 INFO cinder.service [-] Starting cinder-backup node (version 26.3.0)
2026-09-07 11:18:09.229 1 INFO cinder.backup.manager [None req-852b900c-09d5-4042-a43c-33ab43b47746 - - - - - -] Cleaning up incomplete backup operations.
2026-09-07 11:18:09.266 1 INFO cinder.keymgr.migration [None req-9babd23d-1e43-4dd6-bc87-349d55bd456b - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.