+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-09-07 11:12:12.946 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-09-07 11:12:13.172 1 INFO cinder.rpc [None req-5b1ee90c-935e-45ab-b10c-64a66bef3d4b - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-09-07 11:12:13.175 1 INFO cinder.rpc [None req-5b1ee90c-935e-45ab-b10c-64a66bef3d4b - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-09-07 11:12:13.177 1 INFO cinder.rpc [None req-5b1ee90c-935e-45ab-b10c-64a66bef3d4b - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-09-07 11:12:13.180 1 INFO cinder.rpc [None req-5b1ee90c-935e-45ab-b10c-64a66bef3d4b - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-09-07 11:12:13.183 1 INFO cinder.rpc [None req-5b1ee90c-935e-45ab-b10c-64a66bef3d4b - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-09-07 11:12:13.186 1 INFO cinder.rpc [None req-5b1ee90c-935e-45ab-b10c-64a66bef3d4b - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-09-07 11:12:13.242 1 WARNING oslo_config.cfg [None req-5b1ee90c-935e-45ab-b10c-64a66bef3d4b - - - - - -] 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 11:12:13.243 1 WARNING oslo_config.cfg [None req-5b1ee90c-935e-45ab-b10c-64a66bef3d4b - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-09-07 11:12:13.252 1 INFO cinder.service [-] Starting cinder-backup node (version 22.3.7)
2026-09-07 11:12:13.269 1 INFO cinder.backup.manager [None req-08659bf9-36b2-41f0-974c-1f08e8199d96 - - - - - -] Cleaning up incomplete backup operations.
2026-09-07 11:12:13.441 1 INFO cinder.keymgr.migration [None req-aefc0487-344d-42b1-aa13-cd0a35bd1647 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.