+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-09-08 16:18:28.669 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-09-08 16:18:28.988 1 INFO cinder.rpc [None req-a1ebfd5a-1e14-4f31-8140-99800add2410 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-09-08 16:18:28.991 1 INFO cinder.rpc [None req-a1ebfd5a-1e14-4f31-8140-99800add2410 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-09-08 16:18:28.994 1 INFO cinder.rpc [None req-a1ebfd5a-1e14-4f31-8140-99800add2410 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-09-08 16:18:28.997 1 INFO cinder.rpc [None req-a1ebfd5a-1e14-4f31-8140-99800add2410 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-09-08 16:18:29.001 1 INFO cinder.rpc [None req-a1ebfd5a-1e14-4f31-8140-99800add2410 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-09-08 16:18:29.005 1 INFO cinder.rpc [None req-a1ebfd5a-1e14-4f31-8140-99800add2410 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-09-08 16:18:29.074 1 WARNING oslo_config.cfg [None req-a1ebfd5a-1e14-4f31-8140-99800add2410 - - - - - -] 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.
2026-09-08 16:18:29.075 1 WARNING oslo_config.cfg [None req-a1ebfd5a-1e14-4f31-8140-99800add2410 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-09-08 16:18:29.082 1 INFO cinder.service [-] Starting cinder-backup node (version 26.3.0)
2026-09-08 16:18:29.107 1 INFO cinder.backup.manager [None req-d369a9c5-dcfa-41a2-97c3-929c0571d75a - - - - - -] Cleaning up incomplete backup operations.
2026-09-08 16:18:29.153 1 INFO cinder.keymgr.migration [None req-19cb6b91-611f-4c7d-97c3-53450c89d748 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.