+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-05-12 16:56:37.746 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-05-12 16:56:37.972 1 INFO cinder.rpc [None req-b5ad87ee-f0dc-487d-a942-cd699b4f7f6f - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-05-12 16:56:37.974 1 INFO cinder.rpc [None req-b5ad87ee-f0dc-487d-a942-cd699b4f7f6f - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version.
2026-05-12 16:56:37.978 1 INFO cinder.rpc [None req-b5ad87ee-f0dc-487d-a942-cd699b4f7f6f - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-05-12 16:56:37.980 1 INFO cinder.rpc [None req-b5ad87ee-f0dc-487d-a942-cd699b4f7f6f - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-05-12 16:56:37.983 1 INFO cinder.rpc [None req-b5ad87ee-f0dc-487d-a942-cd699b4f7f6f - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-05-12 16:56:37.986 1 INFO cinder.rpc [None req-b5ad87ee-f0dc-487d-a942-cd699b4f7f6f - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-05-12 16:56:38.035 1 WARNING oslo_config.cfg [None req-b5ad87ee-f0dc-487d-a942-cd699b4f7f6f - - - - - -] 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.
2026-05-12 16:56:38.037 1 WARNING oslo_config.cfg [None req-b5ad87ee-f0dc-487d-a942-cd699b4f7f6f - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-05-12 16:56:38.050 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.3)
2026-05-12 16:56:38.068 1 INFO cinder.backup.manager [None req-809b9b22-cd95-47c3-a4ec-427eeb410821 - - - - - -] Cleaning up incomplete backup operations.
2026-05-12 16:56:38.198 1 INFO cinder.keymgr.migration [None req-99a2b239-e9f5-4f80-b577-3705238e7cae - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.