+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-06-26 04:00:44.988 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-06-26 04:00:45.220 1 INFO cinder.rpc [None req-6094d93f-e4a6-47eb-9716-6998ed4e3441 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-06-26 04:00:45.223 1 INFO cinder.rpc [None req-6094d93f-e4a6-47eb-9716-6998ed4e3441 - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version.
2026-06-26 04:00:45.226 1 INFO cinder.rpc [None req-6094d93f-e4a6-47eb-9716-6998ed4e3441 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-06-26 04:00:45.229 1 INFO cinder.rpc [None req-6094d93f-e4a6-47eb-9716-6998ed4e3441 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-06-26 04:00:45.232 1 INFO cinder.rpc [None req-6094d93f-e4a6-47eb-9716-6998ed4e3441 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-06-26 04:00:45.236 1 INFO cinder.rpc [None req-6094d93f-e4a6-47eb-9716-6998ed4e3441 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-06-26 04:00:45.289 1 WARNING oslo_config.cfg [None req-6094d93f-e4a6-47eb-9716-6998ed4e3441 - - - - - -] 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.
2026-06-26 04:00:45.290 1 WARNING oslo_config.cfg [None req-6094d93f-e4a6-47eb-9716-6998ed4e3441 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-06-26 04:00:45.302 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.3)
2026-06-26 04:00:45.320 1 INFO cinder.backup.manager [None req-1fafecd8-41d1-432b-921d-8a604466fb98 - - - - - -] Cleaning up incomplete backup operations.
2026-06-26 04:00:45.442 1 INFO cinder.keymgr.migration [None req-a9371ff4-1789-4f3c-a2e7-b74bc86b49a2 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.