+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-02-25 20:00:27.144 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-02-25 20:00:27.417 1 INFO cinder.rpc [None req-c4d9fb5e-c444-4583-94a7-411164cb43bc - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-02-25 20:00:27.419 1 INFO cinder.rpc [None req-c4d9fb5e-c444-4583-94a7-411164cb43bc - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-02-25 20:00:27.421 1 INFO cinder.rpc [None req-c4d9fb5e-c444-4583-94a7-411164cb43bc - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-02-25 20:00:27.423 1 INFO cinder.rpc [None req-c4d9fb5e-c444-4583-94a7-411164cb43bc - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-02-25 20:00:27.425 1 INFO cinder.rpc [None req-c4d9fb5e-c444-4583-94a7-411164cb43bc - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-02-25 20:00:27.429 1 INFO cinder.rpc [None req-c4d9fb5e-c444-4583-94a7-411164cb43bc - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-02-25 20:00:27.492 1 WARNING oslo_config.cfg [None req-c4d9fb5e-c444-4583-94a7-411164cb43bc - - - - - -] 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.
2026-02-25 20:00:27.493 1 WARNING oslo_config.cfg [None req-c4d9fb5e-c444-4583-94a7-411164cb43bc - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-02-25 20:00:27.502 1 INFO cinder.service [-] Starting cinder-backup node (version 26.2.1)
2026-02-25 20:00:27.528 1 INFO cinder.backup.manager [None req-cad7d3e0-a200-4fee-8cee-05246ec34f4c - - - - - -] Cleaning up incomplete backup operations.
2026-02-25 20:00:27.583 1 INFO cinder.keymgr.migration [None req-24023115-903d-4c51-bcc9-39e3c39fa89e - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.