+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-05-11 01:21:13.187 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-05-11 01:21:13.439 1 INFO cinder.rpc [None req-8e3c5996-bb60-47d7-a667-5cfd31a7516b - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-05-11 01:21:13.443 1 INFO cinder.rpc [None req-8e3c5996-bb60-47d7-a667-5cfd31a7516b - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version. 2026-05-11 01:21:13.447 1 INFO cinder.rpc [None req-8e3c5996-bb60-47d7-a667-5cfd31a7516b - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-05-11 01:21:13.451 1 INFO cinder.rpc [None req-8e3c5996-bb60-47d7-a667-5cfd31a7516b - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version. 2026-05-11 01:21:13.456 1 INFO cinder.rpc [None req-8e3c5996-bb60-47d7-a667-5cfd31a7516b - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-05-11 01:21:13.460 1 INFO cinder.rpc [None req-8e3c5996-bb60-47d7-a667-5cfd31a7516b - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-05-11 01:21:13.519 1 WARNING oslo_config.cfg [None req-8e3c5996-bb60-47d7-a667-5cfd31a7516b - - - - - -] 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. 2026-05-11 01:21:13.520 1 WARNING oslo_config.cfg [None req-8e3c5996-bb60-47d7-a667-5cfd31a7516b - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-05-11 01:21:13.532 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.3) 2026-05-11 01:21:13.552 1 INFO cinder.backup.manager [None req-1e6532d3-1e4c-428a-99ab-cbd9e1238a9a - - - - - -] Cleaning up incomplete backup operations. 2026-05-11 01:21:13.771 1 INFO cinder.keymgr.migration [None req-309d6852-183a-4d3d-be0c-624b4d7f4c82 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.