+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-08-20 06:42:41.237 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-08-20 06:42:41.541 1 INFO cinder.rpc [None req-c23252e8-6a73-4b6e-beab-40a53c00d868 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-08-20 06:42:41.544 1 INFO cinder.rpc [None req-c23252e8-6a73-4b6e-beab-40a53c00d868 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-08-20 06:42:41.546 1 INFO cinder.rpc [None req-c23252e8-6a73-4b6e-beab-40a53c00d868 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-08-20 06:42:41.548 1 INFO cinder.rpc [None req-c23252e8-6a73-4b6e-beab-40a53c00d868 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-08-20 06:42:41.551 1 INFO cinder.rpc [None req-c23252e8-6a73-4b6e-beab-40a53c00d868 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-08-20 06:42:41.554 1 INFO cinder.rpc [None req-c23252e8-6a73-4b6e-beab-40a53c00d868 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-08-20 06:42:41.619 1 WARNING oslo_config.cfg [None req-c23252e8-6a73-4b6e-beab-40a53c00d868 - - - - - -] 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.
2026-08-20 06:42:41.620 1 WARNING oslo_config.cfg [None req-c23252e8-6a73-4b6e-beab-40a53c00d868 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-08-20 06:42:41.629 1 INFO cinder.service [-] Starting cinder-backup node (version 26.3.0)
2026-08-20 06:42:41.654 1 INFO cinder.backup.manager [None req-dd7a8040-27a5-4975-8e89-55d61f06ec3f - - - - - -] Cleaning up incomplete backup operations.
2026-08-20 06:42:41.701 1 INFO cinder.keymgr.migration [None req-3b884faa-582f-49d0-aac7-e06dcfa7983b - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.