+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-08-26 04:31:08.611 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-08-26 04:31:08.912 1 INFO cinder.rpc [None req-e3854573-5b77-43b3-827a-53c7f23723b9 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-08-26 04:31:08.916 1 INFO cinder.rpc [None req-e3854573-5b77-43b3-827a-53c7f23723b9 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-08-26 04:31:08.918 1 INFO cinder.rpc [None req-e3854573-5b77-43b3-827a-53c7f23723b9 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-08-26 04:31:08.920 1 INFO cinder.rpc [None req-e3854573-5b77-43b3-827a-53c7f23723b9 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-08-26 04:31:08.923 1 INFO cinder.rpc [None req-e3854573-5b77-43b3-827a-53c7f23723b9 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-08-26 04:31:08.926 1 INFO cinder.rpc [None req-e3854573-5b77-43b3-827a-53c7f23723b9 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-08-26 04:31:08.992 1 WARNING oslo_config.cfg [None req-e3854573-5b77-43b3-827a-53c7f23723b9 - - - - - -] 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.
2026-08-26 04:31:08.993 1 WARNING oslo_config.cfg [None req-e3854573-5b77-43b3-827a-53c7f23723b9 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-08-26 04:31:09.006 1 INFO cinder.service [-] Starting cinder-backup node (version 27.0.25)
2026-08-26 04:31:09.031 1 INFO cinder.backup.manager [None req-077d5bea-7629-48ac-b31d-c33ceca7c2c1 - - - - - -] Cleaning up incomplete backup operations.
2026-08-26 04:31:09.104 1 INFO cinder.keymgr.migration [None req-8fd976be-d2fb-4354-a530-823e705b3a45 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.