+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-04-13 21:35:59.302 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-04-13 21:35:59.533 1 INFO cinder.rpc [None req-b0c213f6-2542-45bb-94c2-d25ad2743b74 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-04-13 21:35:59.535 1 INFO cinder.rpc [None req-b0c213f6-2542-45bb-94c2-d25ad2743b74 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-04-13 21:35:59.539 1 INFO cinder.rpc [None req-b0c213f6-2542-45bb-94c2-d25ad2743b74 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-04-13 21:35:59.541 1 INFO cinder.rpc [None req-b0c213f6-2542-45bb-94c2-d25ad2743b74 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version. 2026-04-13 21:35:59.545 1 INFO cinder.rpc [None req-b0c213f6-2542-45bb-94c2-d25ad2743b74 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-04-13 21:35:59.548 1 INFO cinder.rpc [None req-b0c213f6-2542-45bb-94c2-d25ad2743b74 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-04-13 21:35:59.666 1 WARNING oslo_config.cfg [None req-b0c213f6-2542-45bb-94c2-d25ad2743b74 - - - - - -] 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. 2026-04-13 21:35:59.667 1 WARNING oslo_config.cfg [None req-b0c213f6-2542-45bb-94c2-d25ad2743b74 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-04-13 21:35:59.679 1 INFO cinder.service [-] Starting cinder-backup node (version 23.5.0) 2026-04-13 21:35:59.696 1 INFO cinder.backup.manager [None req-8148a8ae-8ce7-4873-91a4-33852c7f3b18 - - - - - -] Cleaning up incomplete backup operations. 2026-04-13 21:35:59.750 1 INFO cinder.keymgr.migration [None req-ee504b00-b1fd-4747-b02e-f9d1f4c5391c - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.