+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-03-04 01:44:49.723 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-03-04 01:44:49.967 1 INFO cinder.rpc [None req-109e642a-236c-4196-a145-1ebeaad51549 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-03-04 01:44:49.971 1 INFO cinder.rpc [None req-109e642a-236c-4196-a145-1ebeaad51549 - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version. 2026-03-04 01:44:49.973 1 INFO cinder.rpc [None req-109e642a-236c-4196-a145-1ebeaad51549 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-03-04 01:44:49.976 1 INFO cinder.rpc [None req-109e642a-236c-4196-a145-1ebeaad51549 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version. 2026-03-04 01:44:49.980 1 INFO cinder.rpc [None req-109e642a-236c-4196-a145-1ebeaad51549 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-03-04 01:44:49.983 1 INFO cinder.rpc [None req-109e642a-236c-4196-a145-1ebeaad51549 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-03-04 01:44:50.039 1 WARNING oslo_config.cfg [None req-109e642a-236c-4196-a145-1ebeaad51549 - - - - - -] 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. 2026-03-04 01:44:50.041 1 WARNING oslo_config.cfg [None req-109e642a-236c-4196-a145-1ebeaad51549 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-03-04 01:44:50.051 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.3) 2026-03-04 01:44:50.070 1 INFO cinder.backup.manager [None req-0ce48fd1-fbbc-4eac-8da4-ca0cac5b5cff - - - - - -] Cleaning up incomplete backup operations. 2026-03-04 01:44:50.221 1 INFO cinder.keymgr.migration [None req-9011df4a-257b-479d-8483-f8890244a73b - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.