+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-07-28 14:37:09.018 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-07-28 14:37:09.250 1 INFO cinder.rpc [None req-0c88db68-9160-40eb-b80a-21c33afce833 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-07-28 14:37:09.253 1 INFO cinder.rpc [None req-0c88db68-9160-40eb-b80a-21c33afce833 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-07-28 14:37:09.255 1 INFO cinder.rpc [None req-0c88db68-9160-40eb-b80a-21c33afce833 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-07-28 14:37:09.258 1 INFO cinder.rpc [None req-0c88db68-9160-40eb-b80a-21c33afce833 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-07-28 14:37:09.260 1 INFO cinder.rpc [None req-0c88db68-9160-40eb-b80a-21c33afce833 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-07-28 14:37:09.263 1 INFO cinder.rpc [None req-0c88db68-9160-40eb-b80a-21c33afce833 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-07-28 14:37:09.325 1 WARNING oslo_config.cfg [None req-0c88db68-9160-40eb-b80a-21c33afce833 - - - - - -] 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.
2026-07-28 14:37:09.326 1 WARNING oslo_config.cfg [None req-0c88db68-9160-40eb-b80a-21c33afce833 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-07-28 14:37:09.337 1 INFO cinder.service [-] Starting cinder-backup node (version 22.3.1)
2026-07-28 14:37:09.356 1 INFO cinder.backup.manager [None req-06138bb5-2352-4b3f-91d2-ea613e9aeacc - - - - - -] Cleaning up incomplete backup operations.
2026-07-28 14:37:09.522 1 INFO cinder.keymgr.migration [None req-1832048e-2134-4f32-b612-35fa28729e40 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.