+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-05-26 06:15:32.823 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-05-26 06:15:33.107 1 INFO cinder.rpc [None req-6b380abb-917c-4d5f-800a-b1c88a620b9d - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-05-26 06:15:33.110 1 INFO cinder.rpc [None req-6b380abb-917c-4d5f-800a-b1c88a620b9d - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-05-26 06:15:33.113 1 INFO cinder.rpc [None req-6b380abb-917c-4d5f-800a-b1c88a620b9d - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-05-26 06:15:33.115 1 INFO cinder.rpc [None req-6b380abb-917c-4d5f-800a-b1c88a620b9d - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-05-26 06:15:33.118 1 INFO cinder.rpc [None req-6b380abb-917c-4d5f-800a-b1c88a620b9d - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-05-26 06:15:33.120 1 INFO cinder.rpc [None req-6b380abb-917c-4d5f-800a-b1c88a620b9d - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-05-26 06:15:33.201 1 WARNING oslo_config.cfg [None req-6b380abb-917c-4d5f-800a-b1c88a620b9d - - - - - -] 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. 2026-05-26 06:15:33.202 1 WARNING oslo_config.cfg [None req-6b380abb-917c-4d5f-800a-b1c88a620b9d - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-05-26 06:15:33.214 1 INFO cinder.service [-] Starting cinder-backup node (version 26.2.1) 2026-05-26 06:15:33.248 1 INFO cinder.backup.manager [None req-d5cab514-92f6-4269-b587-1797d825dd2b - - - - - -] Cleaning up incomplete backup operations. 2026-05-26 06:15:33.295 1 INFO cinder.keymgr.migration [None req-99575e8f-9e2d-4bfa-aa13-334500157792 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.