+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-08-14 09:37:52.531 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-08-14 09:37:52.841 1 INFO cinder.rpc [None req-5b7ad5b5-a8ea-4d54-98b1-33d26c76923b - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-08-14 09:37:52.844 1 INFO cinder.rpc [None req-5b7ad5b5-a8ea-4d54-98b1-33d26c76923b - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-08-14 09:37:52.846 1 INFO cinder.rpc [None req-5b7ad5b5-a8ea-4d54-98b1-33d26c76923b - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-08-14 09:37:52.849 1 INFO cinder.rpc [None req-5b7ad5b5-a8ea-4d54-98b1-33d26c76923b - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-08-14 09:37:52.851 1 INFO cinder.rpc [None req-5b7ad5b5-a8ea-4d54-98b1-33d26c76923b - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-08-14 09:37:52.855 1 INFO cinder.rpc [None req-5b7ad5b5-a8ea-4d54-98b1-33d26c76923b - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-08-14 09:37:52.917 1 WARNING oslo_config.cfg [None req-5b7ad5b5-a8ea-4d54-98b1-33d26c76923b - - - - - -] 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.
2026-08-14 09:37:52.918 1 WARNING oslo_config.cfg [None req-5b7ad5b5-a8ea-4d54-98b1-33d26c76923b - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-08-14 09:37:52.929 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0)
2026-08-14 09:37:52.954 1 INFO cinder.backup.manager [None req-ca75d6a5-33df-4d9d-a172-5f2fed19ebfb - - - - - -] Cleaning up incomplete backup operations.
2026-08-14 09:37:53.022 1 INFO cinder.keymgr.migration [None req-1c96c33f-5c6e-43c2-b6d7-73600ffa78b6 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.