+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-04-26 15:03:30.946 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-04-26 15:03:31.237 1 INFO cinder.rpc [None req-c5894d08-6026-48ae-9fd3-3ed47c2eaea4 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-04-26 15:03:31.240 1 INFO cinder.rpc [None req-c5894d08-6026-48ae-9fd3-3ed47c2eaea4 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-04-26 15:03:31.248 1 INFO cinder.rpc [None req-c5894d08-6026-48ae-9fd3-3ed47c2eaea4 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-04-26 15:03:31.251 1 INFO cinder.rpc [None req-c5894d08-6026-48ae-9fd3-3ed47c2eaea4 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-04-26 15:03:31.254 1 INFO cinder.rpc [None req-c5894d08-6026-48ae-9fd3-3ed47c2eaea4 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-04-26 15:03:31.257 1 INFO cinder.rpc [None req-c5894d08-6026-48ae-9fd3-3ed47c2eaea4 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-04-26 15:03:31.338 1 WARNING oslo_config.cfg [None req-c5894d08-6026-48ae-9fd3-3ed47c2eaea4 - - - - - -] 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.
2026-04-26 15:03:31.339 1 WARNING oslo_config.cfg [None req-c5894d08-6026-48ae-9fd3-3ed47c2eaea4 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-04-26 15:03:31.347 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0)
2026-04-26 15:03:31.372 1 INFO cinder.backup.manager [None req-9aa4014d-d4a7-4507-b25e-c29773220e25 - - - - - -] Cleaning up incomplete backup operations.
2026-04-26 15:03:31.430 1 INFO cinder.keymgr.migration [None req-f4306289-852a-4d23-bde4-6273ca5ecec5 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.