+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-05-28 08:16:53.022 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-05-28 08:16:53.309 1 INFO cinder.rpc [None req-25084cb3-e7c5-4b0b-a91f-9785e9081b73 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-05-28 08:16:53.311 1 INFO cinder.rpc [None req-25084cb3-e7c5-4b0b-a91f-9785e9081b73 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-05-28 08:16:53.314 1 INFO cinder.rpc [None req-25084cb3-e7c5-4b0b-a91f-9785e9081b73 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-05-28 08:16:53.316 1 INFO cinder.rpc [None req-25084cb3-e7c5-4b0b-a91f-9785e9081b73 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-05-28 08:16:53.319 1 INFO cinder.rpc [None req-25084cb3-e7c5-4b0b-a91f-9785e9081b73 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-05-28 08:16:53.322 1 INFO cinder.rpc [None req-25084cb3-e7c5-4b0b-a91f-9785e9081b73 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-05-28 08:16:53.385 1 WARNING oslo_config.cfg [None req-25084cb3-e7c5-4b0b-a91f-9785e9081b73 - - - - - -] 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.
2026-05-28 08:16:53.386 1 WARNING oslo_config.cfg [None req-25084cb3-e7c5-4b0b-a91f-9785e9081b73 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-05-28 08:16:53.395 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0)
2026-05-28 08:16:53.419 1 INFO cinder.backup.manager [None req-8b214935-cc74-45a8-88ab-1a3435959d77 - - - - - -] Cleaning up incomplete backup operations.
2026-05-28 08:16:53.479 1 INFO cinder.keymgr.migration [None req-501f6f71-c1f0-4d82-9adc-3c4a8a6c0640 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.