+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-05-14 10:02:49.285 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-05-14 10:02:49.556 1 INFO cinder.rpc [None req-51834631-3bbe-42a4-8a7c-93f76bde6934 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-05-14 10:02:49.559 1 INFO cinder.rpc [None req-51834631-3bbe-42a4-8a7c-93f76bde6934 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-05-14 10:02:49.561 1 INFO cinder.rpc [None req-51834631-3bbe-42a4-8a7c-93f76bde6934 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-05-14 10:02:49.563 1 INFO cinder.rpc [None req-51834631-3bbe-42a4-8a7c-93f76bde6934 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-05-14 10:02:49.566 1 INFO cinder.rpc [None req-51834631-3bbe-42a4-8a7c-93f76bde6934 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-05-14 10:02:49.569 1 INFO cinder.rpc [None req-51834631-3bbe-42a4-8a7c-93f76bde6934 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-05-14 10:02:49.635 1 WARNING oslo_config.cfg [None req-51834631-3bbe-42a4-8a7c-93f76bde6934 - - - - - -] 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.
2026-05-14 10:02:49.636 1 WARNING oslo_config.cfg [None req-51834631-3bbe-42a4-8a7c-93f76bde6934 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-05-14 10:02:49.647 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0)
2026-05-14 10:02:49.672 1 INFO cinder.backup.manager [None req-55848794-e027-4d9e-b4ac-281a0d3518f2 - - - - - -] Cleaning up incomplete backup operations.
2026-05-14 10:02:49.739 1 INFO cinder.keymgr.migration [None req-0cdb49e4-aeeb-4191-9317-afe810655cb4 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.