+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-05-20 00:46:47.870 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-05-20 00:46:48.121 1 INFO cinder.rpc [None req-7fefe742-7bfd-48ab-8f6c-e47adb7dba38 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-05-20 00:46:48.123 1 INFO cinder.rpc [None req-7fefe742-7bfd-48ab-8f6c-e47adb7dba38 - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version.
2026-05-20 00:46:48.126 1 INFO cinder.rpc [None req-7fefe742-7bfd-48ab-8f6c-e47adb7dba38 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-05-20 00:46:48.129 1 INFO cinder.rpc [None req-7fefe742-7bfd-48ab-8f6c-e47adb7dba38 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-05-20 00:46:48.133 1 INFO cinder.rpc [None req-7fefe742-7bfd-48ab-8f6c-e47adb7dba38 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-05-20 00:46:48.136 1 INFO cinder.rpc [None req-7fefe742-7bfd-48ab-8f6c-e47adb7dba38 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-05-20 00:46:48.204 1 WARNING oslo_config.cfg [None req-7fefe742-7bfd-48ab-8f6c-e47adb7dba38 - - - - - -] 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.
2026-05-20 00:46:48.205 1 WARNING oslo_config.cfg [None req-7fefe742-7bfd-48ab-8f6c-e47adb7dba38 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-05-20 00:46:48.216 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.3)
2026-05-20 00:46:48.236 1 INFO cinder.backup.manager [None req-c886c6fe-9e29-414c-b3cb-268f920df2ee - - - - - -] Cleaning up incomplete backup operations.
2026-05-20 00:46:48.376 1 INFO cinder.keymgr.migration [None req-74564874-8472-440d-92b8-87209528e99f - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.