+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-05-05 15:56:31.998 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-05-05 15:56:32.294 1 INFO cinder.rpc [None req-73761193-9955-4fe4-bb37-c3c48835ac4e - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-05-05 15:56:32.297 1 INFO cinder.rpc [None req-73761193-9955-4fe4-bb37-c3c48835ac4e - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-05-05 15:56:32.299 1 INFO cinder.rpc [None req-73761193-9955-4fe4-bb37-c3c48835ac4e - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-05-05 15:56:32.301 1 INFO cinder.rpc [None req-73761193-9955-4fe4-bb37-c3c48835ac4e - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-05-05 15:56:32.303 1 INFO cinder.rpc [None req-73761193-9955-4fe4-bb37-c3c48835ac4e - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-05-05 15:56:32.306 1 INFO cinder.rpc [None req-73761193-9955-4fe4-bb37-c3c48835ac4e - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-05-05 15:56:32.374 1 WARNING oslo_config.cfg [None req-73761193-9955-4fe4-bb37-c3c48835ac4e - - - - - -] 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.
2026-05-05 15:56:32.375 1 WARNING oslo_config.cfg [None req-73761193-9955-4fe4-bb37-c3c48835ac4e - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-05-05 15:56:32.386 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0)
2026-05-05 15:56:32.410 1 INFO cinder.backup.manager [None req-a576696e-3b3f-44aa-86eb-055ec46a9941 - - - - - -] Cleaning up incomplete backup operations.
2026-05-05 15:56:32.471 1 INFO cinder.keymgr.migration [None req-2077f53e-8589-4e03-9faf-cb030c5c9aaf - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.