+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-07-28 06:31:13.413 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-07-28 06:31:13.693 1 INFO cinder.rpc [None req-b4dafd66-7c9b-46c3-a493-2eda26dc99a0 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-07-28 06:31:13.696 1 INFO cinder.rpc [None req-b4dafd66-7c9b-46c3-a493-2eda26dc99a0 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-07-28 06:31:13.698 1 INFO cinder.rpc [None req-b4dafd66-7c9b-46c3-a493-2eda26dc99a0 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-07-28 06:31:13.701 1 INFO cinder.rpc [None req-b4dafd66-7c9b-46c3-a493-2eda26dc99a0 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-07-28 06:31:13.704 1 INFO cinder.rpc [None req-b4dafd66-7c9b-46c3-a493-2eda26dc99a0 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-07-28 06:31:13.707 1 INFO cinder.rpc [None req-b4dafd66-7c9b-46c3-a493-2eda26dc99a0 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-07-28 06:31:13.822 1 WARNING oslo_config.cfg [None req-b4dafd66-7c9b-46c3-a493-2eda26dc99a0 - - - - - -] 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.
2026-07-28 06:31:13.823 1 WARNING oslo_config.cfg [None req-b4dafd66-7c9b-46c3-a493-2eda26dc99a0 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-07-28 06:31:13.835 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0)
2026-07-28 06:31:13.859 1 INFO cinder.backup.manager [None req-dcf43ad1-3cca-4b99-af0c-bc6151b1f17c - - - - - -] Cleaning up incomplete backup operations.
2026-07-28 06:31:13.916 1 INFO cinder.keymgr.migration [None req-51d21b5c-283c-499e-bea0-9049343f822c - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.