+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-07-24 00:17:48.852 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-07-24 00:17:49.080 1 INFO cinder.rpc [None req-84a2940e-c95b-4f54-9af3-b75ff60a7aa9 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-07-24 00:17:49.083 1 INFO cinder.rpc [None req-84a2940e-c95b-4f54-9af3-b75ff60a7aa9 - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version.
2026-07-24 00:17:49.085 1 INFO cinder.rpc [None req-84a2940e-c95b-4f54-9af3-b75ff60a7aa9 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-07-24 00:17:49.088 1 INFO cinder.rpc [None req-84a2940e-c95b-4f54-9af3-b75ff60a7aa9 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-07-24 00:17:49.092 1 INFO cinder.rpc [None req-84a2940e-c95b-4f54-9af3-b75ff60a7aa9 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-07-24 00:17:49.094 1 INFO cinder.rpc [None req-84a2940e-c95b-4f54-9af3-b75ff60a7aa9 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-07-24 00:17:49.146 1 WARNING oslo_config.cfg [None req-84a2940e-c95b-4f54-9af3-b75ff60a7aa9 - - - - - -] 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.
2026-07-24 00:17:49.148 1 WARNING oslo_config.cfg [None req-84a2940e-c95b-4f54-9af3-b75ff60a7aa9 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-07-24 00:17:49.159 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.3)
2026-07-24 00:17:49.177 1 INFO cinder.backup.manager [None req-941f2156-c916-419d-b346-feb40735e543 - - - - - -] Cleaning up incomplete backup operations.
2026-07-24 00:17:49.307 1 INFO cinder.keymgr.migration [None req-d87ff0e5-6c74-4ea5-a9f1-55d5480a3fee - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.