+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-05-12 11:51:12.712 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-05-12 11:51:12.931 1 INFO cinder.rpc [None req-4a4f176b-3216-48c0-9243-a7a6afb9639a - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-05-12 11:51:12.933 1 INFO cinder.rpc [None req-4a4f176b-3216-48c0-9243-a7a6afb9639a - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-05-12 11:51:12.936 1 INFO cinder.rpc [None req-4a4f176b-3216-48c0-9243-a7a6afb9639a - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-05-12 11:51:12.938 1 INFO cinder.rpc [None req-4a4f176b-3216-48c0-9243-a7a6afb9639a - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version. 2026-05-12 11:51:12.941 1 INFO cinder.rpc [None req-4a4f176b-3216-48c0-9243-a7a6afb9639a - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-05-12 11:51:12.944 1 INFO cinder.rpc [None req-4a4f176b-3216-48c0-9243-a7a6afb9639a - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-05-12 11:51:12.991 1 WARNING oslo_config.cfg [None req-4a4f176b-3216-48c0-9243-a7a6afb9639a - - - - - -] 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. 2026-05-12 11:51:12.992 1 WARNING oslo_config.cfg [None req-4a4f176b-3216-48c0-9243-a7a6afb9639a - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-05-12 11:51:13.002 1 INFO cinder.service [-] Starting cinder-backup node (version 22.3.1) 2026-05-12 11:51:13.020 1 INFO cinder.backup.manager [None req-e18013ad-34b0-42fb-b225-40d6e550c4e3 - - - - - -] Cleaning up incomplete backup operations. 2026-05-12 11:51:13.139 1 INFO cinder.keymgr.migration [None req-7658024c-e005-41c8-82ac-a7b576927d2f - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.