+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-08-20 06:42:53.140 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-08-20 06:42:53.365 1 INFO cinder.rpc [None req-ce6b508b-dfc2-419f-bfb3-1fd5ec701f21 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-08-20 06:42:53.367 1 INFO cinder.rpc [None req-ce6b508b-dfc2-419f-bfb3-1fd5ec701f21 - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version.
2026-08-20 06:42:53.370 1 INFO cinder.rpc [None req-ce6b508b-dfc2-419f-bfb3-1fd5ec701f21 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-08-20 06:42:53.374 1 INFO cinder.rpc [None req-ce6b508b-dfc2-419f-bfb3-1fd5ec701f21 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-08-20 06:42:53.377 1 INFO cinder.rpc [None req-ce6b508b-dfc2-419f-bfb3-1fd5ec701f21 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-08-20 06:42:53.381 1 INFO cinder.rpc [None req-ce6b508b-dfc2-419f-bfb3-1fd5ec701f21 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-08-20 06:42:53.433 1 WARNING oslo_config.cfg [None req-ce6b508b-dfc2-419f-bfb3-1fd5ec701f21 - - - - - -] 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.
2026-08-20 06:42:53.434 1 WARNING oslo_config.cfg [None req-ce6b508b-dfc2-419f-bfb3-1fd5ec701f21 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-08-20 06:42:53.446 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.9)
2026-08-20 06:42:53.464 1 INFO cinder.backup.manager [None req-c2475baf-7467-4a93-85e8-87bc3f5cbecc - - - - - -] Cleaning up incomplete backup operations.
2026-08-20 06:42:53.611 1 INFO cinder.keymgr.migration [None req-16a9d403-b51c-493f-884e-914080bd26ac - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.