+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-02-25 22:33:08.530 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-02-25 22:33:08.804 1 INFO cinder.rpc [None req-29d4cd76-81f3-4ad1-a061-1237c50a2844 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-02-25 22:33:08.807 1 INFO cinder.rpc [None req-29d4cd76-81f3-4ad1-a061-1237c50a2844 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-02-25 22:33:08.808 1 INFO cinder.rpc [None req-29d4cd76-81f3-4ad1-a061-1237c50a2844 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-02-25 22:33:08.810 1 INFO cinder.rpc [None req-29d4cd76-81f3-4ad1-a061-1237c50a2844 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-02-25 22:33:08.813 1 INFO cinder.rpc [None req-29d4cd76-81f3-4ad1-a061-1237c50a2844 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-02-25 22:33:08.816 1 INFO cinder.rpc [None req-29d4cd76-81f3-4ad1-a061-1237c50a2844 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-02-25 22:33:08.895 1 WARNING oslo_config.cfg [None req-29d4cd76-81f3-4ad1-a061-1237c50a2844 - - - - - -] 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. 2026-02-25 22:33:08.896 1 WARNING oslo_config.cfg [None req-29d4cd76-81f3-4ad1-a061-1237c50a2844 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-02-25 22:33:08.905 1 INFO cinder.service [-] Starting cinder-backup node (version 26.2.1) 2026-02-25 22:33:08.929 1 INFO cinder.backup.manager [None req-f8057954-6559-4cc9-afdd-fe4a36b8be09 - - - - - -] Cleaning up incomplete backup operations. 2026-02-25 22:33:08.978 1 INFO cinder.keymgr.migration [None req-074850e9-4679-4781-aa35-b493e20ab3a6 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.