+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-09-18 23:28:19.919 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-09-18 23:28:20.201 1 INFO cinder.rpc [None req-bef99a57-d9a2-4e9a-a307-b990d899da8f - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-09-18 23:28:20.203 1 INFO cinder.rpc [None req-bef99a57-d9a2-4e9a-a307-b990d899da8f - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-09-18 23:28:20.206 1 INFO cinder.rpc [None req-bef99a57-d9a2-4e9a-a307-b990d899da8f - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-09-18 23:28:20.208 1 INFO cinder.rpc [None req-bef99a57-d9a2-4e9a-a307-b990d899da8f - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-09-18 23:28:20.210 1 INFO cinder.rpc [None req-bef99a57-d9a2-4e9a-a307-b990d899da8f - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-09-18 23:28:20.213 1 INFO cinder.rpc [None req-bef99a57-d9a2-4e9a-a307-b990d899da8f - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-09-18 23:28:20.274 1 WARNING oslo_config.cfg [None req-bef99a57-d9a2-4e9a-a307-b990d899da8f - - - - - -] 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.
2026-09-18 23:28:20.275 1 WARNING oslo_config.cfg [None req-bef99a57-d9a2-4e9a-a307-b990d899da8f - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-09-18 23:28:20.283 1 INFO cinder.service [-] Starting cinder-backup node (version 26.3.0)
2026-09-18 23:28:20.310 1 INFO cinder.backup.manager [None req-8c29c3f4-b69b-48fc-bc6f-514292aa31b4 - - - - - -] Cleaning up incomplete backup operations.
2026-09-18 23:28:20.364 1 INFO cinder.keymgr.migration [None req-c23a0e96-38a2-4c34-92d4-3afe7b9f1aa2 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.