+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-04-14 04:50:46.374 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-04-14 04:50:46.667 1 INFO cinder.rpc [None req-f9a70711-4149-42c3-a16d-2dda74c80af9 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-04-14 04:50:46.671 1 INFO cinder.rpc [None req-f9a70711-4149-42c3-a16d-2dda74c80af9 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-04-14 04:50:46.675 1 INFO cinder.rpc [None req-f9a70711-4149-42c3-a16d-2dda74c80af9 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-04-14 04:50:46.680 1 INFO cinder.rpc [None req-f9a70711-4149-42c3-a16d-2dda74c80af9 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-04-14 04:50:46.685 1 INFO cinder.rpc [None req-f9a70711-4149-42c3-a16d-2dda74c80af9 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-04-14 04:50:46.689 1 INFO cinder.rpc [None req-f9a70711-4149-42c3-a16d-2dda74c80af9 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-04-14 04:50:46.777 1 WARNING oslo_config.cfg [None req-f9a70711-4149-42c3-a16d-2dda74c80af9 - - - - - -] 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. 2026-04-14 04:50:46.779 1 WARNING oslo_config.cfg [None req-f9a70711-4149-42c3-a16d-2dda74c80af9 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-04-14 04:50:46.791 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0) 2026-04-14 04:50:46.818 1 INFO cinder.backup.manager [None req-645965a4-e59a-4ae0-b7a8-c7c27409fdf6 - - - - - -] Cleaning up incomplete backup operations. 2026-04-14 04:50:46.893 1 INFO cinder.keymgr.migration [None req-52396ae0-fb5d-4cb8-9c84-432ef72a8ef6 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.