+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-02-27 21:25:00.871 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-02-27 21:25:01.132 1 INFO cinder.rpc [None req-addb5996-37b2-462c-b270-b3e0223c2da0 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-02-27 21:25:01.136 1 INFO cinder.rpc [None req-addb5996-37b2-462c-b270-b3e0223c2da0 - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version.
2026-02-27 21:25:01.139 1 INFO cinder.rpc [None req-addb5996-37b2-462c-b270-b3e0223c2da0 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-02-27 21:25:01.142 1 INFO cinder.rpc [None req-addb5996-37b2-462c-b270-b3e0223c2da0 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-02-27 21:25:01.145 1 INFO cinder.rpc [None req-addb5996-37b2-462c-b270-b3e0223c2da0 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-02-27 21:25:01.148 1 INFO cinder.rpc [None req-addb5996-37b2-462c-b270-b3e0223c2da0 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-02-27 21:25:01.198 1 WARNING oslo_config.cfg [None req-addb5996-37b2-462c-b270-b3e0223c2da0 - - - - - -] 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.
2026-02-27 21:25:01.199 1 WARNING oslo_config.cfg [None req-addb5996-37b2-462c-b270-b3e0223c2da0 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-02-27 21:25:01.209 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.3)
2026-02-27 21:25:01.227 1 INFO cinder.backup.manager [None req-e516a2c0-0d37-4fbb-b5c7-b430d995110f - - - - - -] Cleaning up incomplete backup operations.
2026-02-27 21:25:01.345 1 INFO cinder.keymgr.migration [None req-1cf0b2d0-d27e-4526-8191-707ccebd15bf - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.