+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-08-28 04:38:06.270 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-08-28 04:38:06.534 1 INFO cinder.rpc [None req-b1bbe611-baed-47f7-afb0-9f26c3150d1b - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-08-28 04:38:06.537 1 INFO cinder.rpc [None req-b1bbe611-baed-47f7-afb0-9f26c3150d1b - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-08-28 04:38:06.539 1 INFO cinder.rpc [None req-b1bbe611-baed-47f7-afb0-9f26c3150d1b - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-08-28 04:38:06.541 1 INFO cinder.rpc [None req-b1bbe611-baed-47f7-afb0-9f26c3150d1b - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-08-28 04:38:06.544 1 INFO cinder.rpc [None req-b1bbe611-baed-47f7-afb0-9f26c3150d1b - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-08-28 04:38:06.546 1 INFO cinder.rpc [None req-b1bbe611-baed-47f7-afb0-9f26c3150d1b - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-08-28 04:38:06.603 1 WARNING oslo_config.cfg [None req-b1bbe611-baed-47f7-afb0-9f26c3150d1b - - - - - -] 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.
2026-08-28 04:38:06.604 1 WARNING oslo_config.cfg [None req-b1bbe611-baed-47f7-afb0-9f26c3150d1b - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-08-28 04:38:06.611 1 INFO cinder.service [-] Starting cinder-backup node (version 26.3.0)
2026-08-28 04:38:06.635 1 INFO cinder.backup.manager [None req-ad523434-1d3a-42b7-b27f-13c302e13c38 - - - - - -] Cleaning up incomplete backup operations.
2026-08-28 04:38:06.676 1 INFO cinder.keymgr.migration [None req-af881eb9-2445-40c0-9206-4f5b24595c51 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.