+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-07-22 22:34:59.824 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-07-22 22:35:00.096 1 INFO cinder.rpc [None req-a3425809-2f85-4504-a614-841deb06589d - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-07-22 22:35:00.099 1 INFO cinder.rpc [None req-a3425809-2f85-4504-a614-841deb06589d - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-07-22 22:35:00.101 1 INFO cinder.rpc [None req-a3425809-2f85-4504-a614-841deb06589d - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-07-22 22:35:00.103 1 INFO cinder.rpc [None req-a3425809-2f85-4504-a614-841deb06589d - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-07-22 22:35:00.105 1 INFO cinder.rpc [None req-a3425809-2f85-4504-a614-841deb06589d - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-07-22 22:35:00.107 1 INFO cinder.rpc [None req-a3425809-2f85-4504-a614-841deb06589d - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-07-22 22:35:00.164 1 WARNING oslo_config.cfg [None req-a3425809-2f85-4504-a614-841deb06589d - - - - - -] 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.
2026-07-22 22:35:00.165 1 WARNING oslo_config.cfg [None req-a3425809-2f85-4504-a614-841deb06589d - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-07-22 22:35:00.173 1 INFO cinder.service [-] Starting cinder-backup node (version 26.3.0)
2026-07-22 22:35:00.198 1 INFO cinder.backup.manager [None req-e001778f-d19b-4cab-8ef7-864a45f4033c - - - - - -] Cleaning up incomplete backup operations.
2026-07-22 22:35:00.244 1 INFO cinder.keymgr.migration [None req-f91c9f37-929f-4fe1-ba2e-20dbce8014f0 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.