+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-09-23 11:03:29.238 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-09-23 11:03:29.495 1 INFO cinder.rpc [None req-b2935120-d5c6-48ec-86c5-c42956ce3ee1 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-09-23 11:03:29.498 1 INFO cinder.rpc [None req-b2935120-d5c6-48ec-86c5-c42956ce3ee1 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-09-23 11:03:29.500 1 INFO cinder.rpc [None req-b2935120-d5c6-48ec-86c5-c42956ce3ee1 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-09-23 11:03:29.502 1 INFO cinder.rpc [None req-b2935120-d5c6-48ec-86c5-c42956ce3ee1 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-09-23 11:03:29.505 1 INFO cinder.rpc [None req-b2935120-d5c6-48ec-86c5-c42956ce3ee1 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-09-23 11:03:29.507 1 INFO cinder.rpc [None req-b2935120-d5c6-48ec-86c5-c42956ce3ee1 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-09-23 11:03:29.568 1 WARNING oslo_config.cfg [None req-b2935120-d5c6-48ec-86c5-c42956ce3ee1 - - - - - -] 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.
2026-09-23 11:03:29.568 1 WARNING oslo_config.cfg [None req-b2935120-d5c6-48ec-86c5-c42956ce3ee1 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-09-23 11:03:29.576 1 INFO cinder.service [-] Starting cinder-backup node (version 26.3.0)
2026-09-23 11:03:29.600 1 INFO cinder.backup.manager [None req-1eaa571c-f893-4552-a9f3-f9b8c9b6be29 - - - - - -] Cleaning up incomplete backup operations.
2026-09-23 11:03:29.651 1 INFO cinder.keymgr.migration [None req-2f3f3cbd-2361-4a5e-8320-877ee9b7ae4d - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.