+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-09-08 16:16:38.812 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-09-08 16:16:39.073 1 INFO cinder.rpc [None req-42bc0e48-b8c9-4888-b3df-44f9740f46df - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-09-08 16:16:39.075 1 INFO cinder.rpc [None req-42bc0e48-b8c9-4888-b3df-44f9740f46df - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-09-08 16:16:39.078 1 INFO cinder.rpc [None req-42bc0e48-b8c9-4888-b3df-44f9740f46df - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-09-08 16:16:39.080 1 INFO cinder.rpc [None req-42bc0e48-b8c9-4888-b3df-44f9740f46df - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-09-08 16:16:39.082 1 INFO cinder.rpc [None req-42bc0e48-b8c9-4888-b3df-44f9740f46df - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-09-08 16:16:39.084 1 INFO cinder.rpc [None req-42bc0e48-b8c9-4888-b3df-44f9740f46df - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-09-08 16:16:39.145 1 WARNING oslo_config.cfg [None req-42bc0e48-b8c9-4888-b3df-44f9740f46df - - - - - -] 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.
2026-09-08 16:16:39.145 1 WARNING oslo_config.cfg [None req-42bc0e48-b8c9-4888-b3df-44f9740f46df - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-09-08 16:16:39.153 1 INFO cinder.service [-] Starting cinder-backup node (version 26.3.0)
2026-09-08 16:16:39.179 1 INFO cinder.backup.manager [None req-2cfeeda3-3159-479c-8081-97c382dfdfe5 - - - - - -] Cleaning up incomplete backup operations.
2026-09-08 16:16:39.223 1 INFO cinder.keymgr.migration [None req-dfd4a25d-7cca-4e6a-a018-3fdde9492aa4 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.