+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-04-23 00:44:34.729 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-04-23 00:44:35.043 1 INFO cinder.rpc [None req-c02b2fb6-0109-4178-a492-d3673892bd72 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-04-23 00:44:35.046 1 INFO cinder.rpc [None req-c02b2fb6-0109-4178-a492-d3673892bd72 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-04-23 00:44:35.048 1 INFO cinder.rpc [None req-c02b2fb6-0109-4178-a492-d3673892bd72 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-04-23 00:44:35.050 1 INFO cinder.rpc [None req-c02b2fb6-0109-4178-a492-d3673892bd72 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-04-23 00:44:35.052 1 INFO cinder.rpc [None req-c02b2fb6-0109-4178-a492-d3673892bd72 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-04-23 00:44:35.055 1 INFO cinder.rpc [None req-c02b2fb6-0109-4178-a492-d3673892bd72 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-04-23 00:44:35.127 1 WARNING oslo_config.cfg [None req-c02b2fb6-0109-4178-a492-d3673892bd72 - - - - - -] 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. 2026-04-23 00:44:35.128 1 WARNING oslo_config.cfg [None req-c02b2fb6-0109-4178-a492-d3673892bd72 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-04-23 00:44:35.138 1 INFO cinder.service [-] Starting cinder-backup node (version 26.2.1) 2026-04-23 00:44:35.164 1 INFO cinder.backup.manager [None req-9f6d7e56-1bee-42fa-b471-3a013672dddd - - - - - -] Cleaning up incomplete backup operations. 2026-04-23 00:44:35.242 1 INFO cinder.keymgr.migration [None req-31f276f4-363f-40f4-b98b-c75ae025fcd6 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.