+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-09-12 04:37:50.052 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-09-12 04:37:50.354 1 INFO cinder.rpc [None req-52660898-9a5d-45be-a3e6-b7ce15d61eb7 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-09-12 04:37:50.357 1 INFO cinder.rpc [None req-52660898-9a5d-45be-a3e6-b7ce15d61eb7 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-09-12 04:37:50.360 1 INFO cinder.rpc [None req-52660898-9a5d-45be-a3e6-b7ce15d61eb7 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-09-12 04:37:50.362 1 INFO cinder.rpc [None req-52660898-9a5d-45be-a3e6-b7ce15d61eb7 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-09-12 04:37:50.365 1 INFO cinder.rpc [None req-52660898-9a5d-45be-a3e6-b7ce15d61eb7 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-09-12 04:37:50.367 1 INFO cinder.rpc [None req-52660898-9a5d-45be-a3e6-b7ce15d61eb7 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-09-12 04:37:50.434 1 WARNING oslo_config.cfg [None req-52660898-9a5d-45be-a3e6-b7ce15d61eb7 - - - - - -] 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.
2026-09-12 04:37:50.435 1 WARNING oslo_config.cfg [None req-52660898-9a5d-45be-a3e6-b7ce15d61eb7 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-09-12 04:37:50.445 1 INFO cinder.service [-] Starting cinder-backup node (version 26.3.0)
2026-09-12 04:37:50.472 1 INFO cinder.backup.manager [None req-678b2e8a-864d-4e47-ab5b-61f83a75639d - - - - - -] Cleaning up incomplete backup operations.
2026-09-12 04:37:50.519 1 INFO cinder.keymgr.migration [None req-5bab7dbf-ee91-4473-8e64-2e4bf18b5f2e - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.