+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-05-15 15:51:57.246 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-05-15 15:51:57.519 1 INFO cinder.rpc [None req-2a1e396b-d54b-4d5b-bcb1-09ce15c225d1 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-05-15 15:51:57.522 1 INFO cinder.rpc [None req-2a1e396b-d54b-4d5b-bcb1-09ce15c225d1 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-05-15 15:51:57.524 1 INFO cinder.rpc [None req-2a1e396b-d54b-4d5b-bcb1-09ce15c225d1 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-05-15 15:51:57.526 1 INFO cinder.rpc [None req-2a1e396b-d54b-4d5b-bcb1-09ce15c225d1 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-05-15 15:51:57.528 1 INFO cinder.rpc [None req-2a1e396b-d54b-4d5b-bcb1-09ce15c225d1 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-05-15 15:51:57.531 1 INFO cinder.rpc [None req-2a1e396b-d54b-4d5b-bcb1-09ce15c225d1 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-05-15 15:51:57.604 1 WARNING oslo_config.cfg [None req-2a1e396b-d54b-4d5b-bcb1-09ce15c225d1 - - - - - -] 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.
2026-05-15 15:51:57.605 1 WARNING oslo_config.cfg [None req-2a1e396b-d54b-4d5b-bcb1-09ce15c225d1 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-05-15 15:51:57.614 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0)
2026-05-15 15:51:57.638 1 INFO cinder.backup.manager [None req-5e1ff8d3-f5f4-43ed-96d0-e6a63640ad0a - - - - - -] Cleaning up incomplete backup operations.
2026-05-15 15:51:57.702 1 INFO cinder.keymgr.migration [None req-aaa65712-ecc0-469f-8b1d-5c8e0e6b0345 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.