+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-08-14 23:40:05.111 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-08-14 23:40:05.393 1 INFO cinder.rpc [None req-558858d5-06ec-43c2-98d9-ea99a1a0b9d1 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-08-14 23:40:05.397 1 INFO cinder.rpc [None req-558858d5-06ec-43c2-98d9-ea99a1a0b9d1 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-08-14 23:40:05.399 1 INFO cinder.rpc [None req-558858d5-06ec-43c2-98d9-ea99a1a0b9d1 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-08-14 23:40:05.401 1 INFO cinder.rpc [None req-558858d5-06ec-43c2-98d9-ea99a1a0b9d1 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-08-14 23:40:05.403 1 INFO cinder.rpc [None req-558858d5-06ec-43c2-98d9-ea99a1a0b9d1 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-08-14 23:40:05.406 1 INFO cinder.rpc [None req-558858d5-06ec-43c2-98d9-ea99a1a0b9d1 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-08-14 23:40:05.475 1 WARNING oslo_config.cfg [None req-558858d5-06ec-43c2-98d9-ea99a1a0b9d1 - - - - - -] 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.
2026-08-14 23:40:05.476 1 WARNING oslo_config.cfg [None req-558858d5-06ec-43c2-98d9-ea99a1a0b9d1 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-08-14 23:40:05.487 1 INFO cinder.service [-] Starting cinder-backup node (version 26.3.0)
2026-08-14 23:40:05.514 1 INFO cinder.backup.manager [None req-c6084b80-94c9-46d4-8d32-f3a511af4ae1 - - - - - -] Cleaning up incomplete backup operations.
2026-08-14 23:40:05.559 1 INFO cinder.keymgr.migration [None req-615e31a6-3190-4bed-aeae-eacafde9d271 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.