+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-08-26 04:27:50.854 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-08-26 04:27:51.126 1 INFO cinder.rpc [None req-88bc95d2-9498-4f99-89e1-68c177382a5d - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-08-26 04:27:51.128 1 INFO cinder.rpc [None req-88bc95d2-9498-4f99-89e1-68c177382a5d - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-08-26 04:27:51.130 1 INFO cinder.rpc [None req-88bc95d2-9498-4f99-89e1-68c177382a5d - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-08-26 04:27:51.132 1 INFO cinder.rpc [None req-88bc95d2-9498-4f99-89e1-68c177382a5d - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-08-26 04:27:51.135 1 INFO cinder.rpc [None req-88bc95d2-9498-4f99-89e1-68c177382a5d - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-08-26 04:27:51.137 1 INFO cinder.rpc [None req-88bc95d2-9498-4f99-89e1-68c177382a5d - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-08-26 04:27:51.201 1 WARNING oslo_config.cfg [None req-88bc95d2-9498-4f99-89e1-68c177382a5d - - - - - -] 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.
2026-08-26 04:27:51.203 1 WARNING oslo_config.cfg [None req-88bc95d2-9498-4f99-89e1-68c177382a5d - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-08-26 04:27:51.212 1 INFO cinder.service [-] Starting cinder-backup node (version 27.0.25)
2026-08-26 04:27:51.237 1 INFO cinder.backup.manager [None req-3fd11ab9-b97b-411a-be42-77467f45cb42 - - - - - -] Cleaning up incomplete backup operations.
2026-08-26 04:27:51.301 1 INFO cinder.keymgr.migration [None req-6a4d7971-ee77-4f92-9abc-8f459fc3ec28 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.