+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-07-21 07:09:21.461 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-07-21 07:09:21.738 1 INFO cinder.rpc [None req-b5844aa2-05e8-4a73-b20c-1f0e060822db - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-07-21 07:09:21.740 1 INFO cinder.rpc [None req-b5844aa2-05e8-4a73-b20c-1f0e060822db - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-07-21 07:09:21.743 1 INFO cinder.rpc [None req-b5844aa2-05e8-4a73-b20c-1f0e060822db - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-07-21 07:09:21.745 1 INFO cinder.rpc [None req-b5844aa2-05e8-4a73-b20c-1f0e060822db - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-07-21 07:09:21.748 1 INFO cinder.rpc [None req-b5844aa2-05e8-4a73-b20c-1f0e060822db - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-07-21 07:09:21.750 1 INFO cinder.rpc [None req-b5844aa2-05e8-4a73-b20c-1f0e060822db - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-07-21 07:09:21.827 1 WARNING oslo_config.cfg [None req-b5844aa2-05e8-4a73-b20c-1f0e060822db - - - - - -] 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.
2026-07-21 07:09:21.828 1 WARNING oslo_config.cfg [None req-b5844aa2-05e8-4a73-b20c-1f0e060822db - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-07-21 07:09:21.837 1 INFO cinder.service [-] Starting cinder-backup node (version 26.3.0)
2026-07-21 07:09:21.863 1 INFO cinder.backup.manager [None req-78c1faf5-8d51-4336-85fa-7ba132579c94 - - - - - -] Cleaning up incomplete backup operations.
2026-07-21 07:09:21.908 1 INFO cinder.keymgr.migration [None req-9fac6134-b342-4887-880f-838c1bfe896d - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.