+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-04-27 12:31:24.004 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-04-27 12:31:24.284 1 INFO cinder.rpc [None req-ca1dc278-c1be-4fcc-bc6a-6821113666b4 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-04-27 12:31:24.287 1 INFO cinder.rpc [None req-ca1dc278-c1be-4fcc-bc6a-6821113666b4 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-04-27 12:31:24.290 1 INFO cinder.rpc [None req-ca1dc278-c1be-4fcc-bc6a-6821113666b4 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-04-27 12:31:24.293 1 INFO cinder.rpc [None req-ca1dc278-c1be-4fcc-bc6a-6821113666b4 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-04-27 12:31:24.296 1 INFO cinder.rpc [None req-ca1dc278-c1be-4fcc-bc6a-6821113666b4 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-04-27 12:31:24.299 1 INFO cinder.rpc [None req-ca1dc278-c1be-4fcc-bc6a-6821113666b4 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-04-27 12:31:24.361 1 WARNING oslo_config.cfg [None req-ca1dc278-c1be-4fcc-bc6a-6821113666b4 - - - - - -] 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.
2026-04-27 12:31:24.362 1 WARNING oslo_config.cfg [None req-ca1dc278-c1be-4fcc-bc6a-6821113666b4 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-04-27 12:31:24.372 1 INFO cinder.service [-] Starting cinder-backup node (version 26.2.1)
2026-04-27 12:31:24.398 1 INFO cinder.backup.manager [None req-b1612857-cf3d-481d-819d-43b0f65a6aa5 - - - - - -] Cleaning up incomplete backup operations.
2026-04-27 12:31:24.452 1 INFO cinder.keymgr.migration [None req-8261512d-6d62-4cf5-8fc9-d0ebf2af94a9 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.