+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-03-01 21:34:20.651 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-03-01 21:34:20.900 1 INFO cinder.rpc [None req-a4766e01-7847-4932-ad0d-28a9627b2e6d - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-03-01 21:34:20.903 1 INFO cinder.rpc [None req-a4766e01-7847-4932-ad0d-28a9627b2e6d - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version.
2026-03-01 21:34:20.905 1 INFO cinder.rpc [None req-a4766e01-7847-4932-ad0d-28a9627b2e6d - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-03-01 21:34:20.908 1 INFO cinder.rpc [None req-a4766e01-7847-4932-ad0d-28a9627b2e6d - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-03-01 21:34:20.911 1 INFO cinder.rpc [None req-a4766e01-7847-4932-ad0d-28a9627b2e6d - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-03-01 21:34:20.915 1 INFO cinder.rpc [None req-a4766e01-7847-4932-ad0d-28a9627b2e6d - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-03-01 21:34:20.982 1 WARNING oslo_config.cfg [None req-a4766e01-7847-4932-ad0d-28a9627b2e6d - - - - - -] 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.
2026-03-01 21:34:20.983 1 WARNING oslo_config.cfg [None req-a4766e01-7847-4932-ad0d-28a9627b2e6d - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-03-01 21:34:20.995 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.3)
2026-03-01 21:34:21.017 1 INFO cinder.backup.manager [None req-14ec17cd-7eee-42b7-80ba-873507b63f73 - - - - - -] Cleaning up incomplete backup operations.
2026-03-01 21:34:21.215 1 INFO cinder.keymgr.migration [None req-9ebf21dd-6514-474b-918f-e32762d67001 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.