+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-09-11 18:12:04.562 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-09-11 18:12:04.839 1 INFO cinder.rpc [None req-8929e5cf-0902-41bb-bb38-5ccdb65350bf - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-09-11 18:12:04.842 1 INFO cinder.rpc [None req-8929e5cf-0902-41bb-bb38-5ccdb65350bf - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-09-11 18:12:04.844 1 INFO cinder.rpc [None req-8929e5cf-0902-41bb-bb38-5ccdb65350bf - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-09-11 18:12:04.846 1 INFO cinder.rpc [None req-8929e5cf-0902-41bb-bb38-5ccdb65350bf - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-09-11 18:12:04.848 1 INFO cinder.rpc [None req-8929e5cf-0902-41bb-bb38-5ccdb65350bf - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-09-11 18:12:04.851 1 INFO cinder.rpc [None req-8929e5cf-0902-41bb-bb38-5ccdb65350bf - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-09-11 18:12:04.913 1 WARNING oslo_config.cfg [None req-8929e5cf-0902-41bb-bb38-5ccdb65350bf - - - - - -] 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.
2026-09-11 18:12:04.914 1 WARNING oslo_config.cfg [None req-8929e5cf-0902-41bb-bb38-5ccdb65350bf - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-09-11 18:12:04.922 1 INFO cinder.service [-] Starting cinder-backup node (version 26.3.0)
2026-09-11 18:12:04.948 1 INFO cinder.backup.manager [None req-23026e6e-ed57-47ee-84ae-23c0c1d3b560 - - - - - -] Cleaning up incomplete backup operations.
2026-09-11 18:12:04.991 1 INFO cinder.keymgr.migration [None req-49a6ae34-5d4f-4291-9f5d-2276ec063536 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.