+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-05-08 20:25:37.000 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-05-08 20:25:37.269 1 INFO cinder.rpc [None req-65d83067-3742-413a-9a5e-23fe573c4b0a - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-05-08 20:25:37.271 1 INFO cinder.rpc [None req-65d83067-3742-413a-9a5e-23fe573c4b0a - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-05-08 20:25:37.273 1 INFO cinder.rpc [None req-65d83067-3742-413a-9a5e-23fe573c4b0a - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-05-08 20:25:37.275 1 INFO cinder.rpc [None req-65d83067-3742-413a-9a5e-23fe573c4b0a - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-05-08 20:25:37.278 1 INFO cinder.rpc [None req-65d83067-3742-413a-9a5e-23fe573c4b0a - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-05-08 20:25:37.280 1 INFO cinder.rpc [None req-65d83067-3742-413a-9a5e-23fe573c4b0a - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-05-08 20:25:37.344 1 WARNING oslo_config.cfg [None req-65d83067-3742-413a-9a5e-23fe573c4b0a - - - - - -] 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.
2026-05-08 20:25:37.345 1 WARNING oslo_config.cfg [None req-65d83067-3742-413a-9a5e-23fe573c4b0a - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-05-08 20:25:37.356 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0)
2026-05-08 20:25:37.381 1 INFO cinder.backup.manager [None req-dda7eb81-8cab-4734-99d8-9a5c4bf72224 - - - - - -] Cleaning up incomplete backup operations.
2026-05-08 20:25:37.438 1 INFO cinder.keymgr.migration [None req-12cf96d1-9885-4de0-9fa4-7c7e3191daf4 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.