+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-04-23 14:02:15.981 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-04-23 14:02:16.234 1 INFO cinder.rpc [None req-8191a5e6-0268-444a-b90e-012170c0bdb6 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-04-23 14:02:16.237 1 INFO cinder.rpc [None req-8191a5e6-0268-444a-b90e-012170c0bdb6 - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version.
2026-04-23 14:02:16.240 1 INFO cinder.rpc [None req-8191a5e6-0268-444a-b90e-012170c0bdb6 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-04-23 14:02:16.243 1 INFO cinder.rpc [None req-8191a5e6-0268-444a-b90e-012170c0bdb6 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-04-23 14:02:16.247 1 INFO cinder.rpc [None req-8191a5e6-0268-444a-b90e-012170c0bdb6 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-04-23 14:02:16.249 1 INFO cinder.rpc [None req-8191a5e6-0268-444a-b90e-012170c0bdb6 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-04-23 14:02:16.308 1 WARNING oslo_config.cfg [None req-8191a5e6-0268-444a-b90e-012170c0bdb6 - - - - - -] 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.
2026-04-23 14:02:16.309 1 WARNING oslo_config.cfg [None req-8191a5e6-0268-444a-b90e-012170c0bdb6 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-04-23 14:02:16.323 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.3)
2026-04-23 14:02:16.341 1 INFO cinder.backup.manager [None req-5a83b6e5-2cb4-4098-92eb-ba13d703320f - - - - - -] Cleaning up incomplete backup operations.
2026-04-23 14:02:16.485 1 INFO cinder.keymgr.migration [None req-0fc027ae-bbe3-43ef-9bde-fb562c87b813 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.