+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-04-22 18:56:22.936 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-04-22 18:56:23.177 1 INFO cinder.rpc [None req-cb65fa71-a56c-4725-9428-65568ee8aec8 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-04-22 18:56:23.182 1 INFO cinder.rpc [None req-cb65fa71-a56c-4725-9428-65568ee8aec8 - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version.
2026-04-22 18:56:23.186 1 INFO cinder.rpc [None req-cb65fa71-a56c-4725-9428-65568ee8aec8 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-04-22 18:56:23.189 1 INFO cinder.rpc [None req-cb65fa71-a56c-4725-9428-65568ee8aec8 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-04-22 18:56:23.192 1 INFO cinder.rpc [None req-cb65fa71-a56c-4725-9428-65568ee8aec8 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-04-22 18:56:23.196 1 INFO cinder.rpc [None req-cb65fa71-a56c-4725-9428-65568ee8aec8 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-04-22 18:56:23.251 1 WARNING oslo_config.cfg [None req-cb65fa71-a56c-4725-9428-65568ee8aec8 - - - - - -] 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.
2026-04-22 18:56:23.252 1 WARNING oslo_config.cfg [None req-cb65fa71-a56c-4725-9428-65568ee8aec8 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-04-22 18:56:23.264 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.3)
2026-04-22 18:56:23.285 1 INFO cinder.backup.manager [None req-ad6b98c1-4a3d-4374-9dae-cfebcff90bee - - - - - -] Cleaning up incomplete backup operations.
2026-04-22 18:56:23.421 1 INFO cinder.keymgr.migration [None req-a80da8c4-4d54-4a1a-aa7c-e988e2803b65 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.