+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-05-21 15:00:23.337 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-05-21 15:00:23.610 1 INFO cinder.rpc [None req-d07f31d5-da7b-48d9-9d29-6ef03c75c678 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-05-21 15:00:23.613 1 INFO cinder.rpc [None req-d07f31d5-da7b-48d9-9d29-6ef03c75c678 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-05-21 15:00:23.615 1 INFO cinder.rpc [None req-d07f31d5-da7b-48d9-9d29-6ef03c75c678 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-05-21 15:00:23.617 1 INFO cinder.rpc [None req-d07f31d5-da7b-48d9-9d29-6ef03c75c678 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-05-21 15:00:23.619 1 INFO cinder.rpc [None req-d07f31d5-da7b-48d9-9d29-6ef03c75c678 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-05-21 15:00:23.622 1 INFO cinder.rpc [None req-d07f31d5-da7b-48d9-9d29-6ef03c75c678 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-05-21 15:00:23.682 1 WARNING oslo_config.cfg [None req-d07f31d5-da7b-48d9-9d29-6ef03c75c678 - - - - - -] 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.
2026-05-21 15:00:23.683 1 WARNING oslo_config.cfg [None req-d07f31d5-da7b-48d9-9d29-6ef03c75c678 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-05-21 15:00:23.694 1 INFO cinder.service [-] Starting cinder-backup node (version 27.0.1)
2026-05-21 15:00:23.718 1 INFO cinder.backup.manager [None req-0dbf4c35-936b-46fa-aa6f-081ab65f116f - - - - - -] Cleaning up incomplete backup operations.
2026-05-21 15:00:23.780 1 INFO cinder.keymgr.migration [None req-b4419bef-61b2-4d31-8933-96b1a70b3291 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.