+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-09-07 18:50:08.816 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-09-07 18:50:09.041 1 INFO cinder.rpc [None req-6d8cbd90-15b2-4e34-a920-b19548b93fcf - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-09-07 18:50:09.044 1 INFO cinder.rpc [None req-6d8cbd90-15b2-4e34-a920-b19548b93fcf - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version.
2026-09-07 18:50:09.047 1 INFO cinder.rpc [None req-6d8cbd90-15b2-4e34-a920-b19548b93fcf - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-09-07 18:50:09.050 1 INFO cinder.rpc [None req-6d8cbd90-15b2-4e34-a920-b19548b93fcf - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-09-07 18:50:09.053 1 INFO cinder.rpc [None req-6d8cbd90-15b2-4e34-a920-b19548b93fcf - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-09-07 18:50:09.056 1 INFO cinder.rpc [None req-6d8cbd90-15b2-4e34-a920-b19548b93fcf - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-09-07 18:50:09.103 1 WARNING oslo_config.cfg [None req-6d8cbd90-15b2-4e34-a920-b19548b93fcf - - - - - -] 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.
2026-09-07 18:50:09.104 1 WARNING oslo_config.cfg [None req-6d8cbd90-15b2-4e34-a920-b19548b93fcf - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-09-07 18:50:09.112 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.9)
2026-09-07 18:50:09.130 1 INFO cinder.backup.manager [None req-74ae5a6c-6f48-4c65-8a05-9050bd496d4a - - - - - -] Cleaning up incomplete backup operations.
2026-09-07 18:50:09.321 1 INFO cinder.keymgr.migration [None req-799b5b62-6854-4a65-b3ca-0c564947a2d0 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.