+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-05-19 22:43:19.791 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-05-19 22:43:20.015 1 INFO cinder.rpc [None req-94252c64-1d20-46b7-9a81-26af62169b70 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-05-19 22:43:20.018 1 INFO cinder.rpc [None req-94252c64-1d20-46b7-9a81-26af62169b70 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-05-19 22:43:20.020 1 INFO cinder.rpc [None req-94252c64-1d20-46b7-9a81-26af62169b70 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-05-19 22:43:20.022 1 INFO cinder.rpc [None req-94252c64-1d20-46b7-9a81-26af62169b70 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version. 2026-05-19 22:43:20.025 1 INFO cinder.rpc [None req-94252c64-1d20-46b7-9a81-26af62169b70 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-05-19 22:43:20.027 1 INFO cinder.rpc [None req-94252c64-1d20-46b7-9a81-26af62169b70 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-05-19 22:43:20.080 1 WARNING oslo_config.cfg [None req-94252c64-1d20-46b7-9a81-26af62169b70 - - - - - -] 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. 2026-05-19 22:43:20.081 1 WARNING oslo_config.cfg [None req-94252c64-1d20-46b7-9a81-26af62169b70 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-05-19 22:43:20.093 1 INFO cinder.service [-] Starting cinder-backup node (version 22.3.1) 2026-05-19 22:43:20.111 1 INFO cinder.backup.manager [None req-fd3c5dc7-766c-46b0-8811-2bced50ac302 - - - - - -] Cleaning up incomplete backup operations. 2026-05-19 22:43:20.247 1 INFO cinder.keymgr.migration [None req-3827fb56-58ca-4556-8bf4-165ce4c4fd6f - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.