+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-06-02 21:56:55.534 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-06-02 21:56:55.821 1 INFO cinder.rpc [None req-970b11c7-ea92-4581-bc1a-f39f2d78c972 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-06-02 21:56:55.823 1 INFO cinder.rpc [None req-970b11c7-ea92-4581-bc1a-f39f2d78c972 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-06-02 21:56:55.826 1 INFO cinder.rpc [None req-970b11c7-ea92-4581-bc1a-f39f2d78c972 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-06-02 21:56:55.829 1 INFO cinder.rpc [None req-970b11c7-ea92-4581-bc1a-f39f2d78c972 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-06-02 21:56:55.835 1 INFO cinder.rpc [None req-970b11c7-ea92-4581-bc1a-f39f2d78c972 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-06-02 21:56:55.839 1 INFO cinder.rpc [None req-970b11c7-ea92-4581-bc1a-f39f2d78c972 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-06-02 21:56:55.901 1 WARNING oslo_config.cfg [None req-970b11c7-ea92-4581-bc1a-f39f2d78c972 - - - - - -] 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. 2026-06-02 21:56:55.902 1 WARNING oslo_config.cfg [None req-970b11c7-ea92-4581-bc1a-f39f2d78c972 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-06-02 21:56:55.910 1 INFO cinder.service [-] Starting cinder-backup node (version 26.2.1) 2026-06-02 21:56:55.935 1 INFO cinder.backup.manager [None req-fd0c6f37-4aa2-4b2e-97be-eb7857d6840d - - - - - -] Cleaning up incomplete backup operations. 2026-06-02 21:56:55.980 1 INFO cinder.keymgr.migration [None req-570383b8-970d-4cdc-97c6-f64f397cf388 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.