+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-04-13 23:04:20.411 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-04-13 23:04:20.711 1 INFO cinder.rpc [None req-cc6ccea4-5515-4f62-aad1-11841b039c3a - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-04-13 23:04:20.715 1 INFO cinder.rpc [None req-cc6ccea4-5515-4f62-aad1-11841b039c3a - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-04-13 23:04:20.717 1 INFO cinder.rpc [None req-cc6ccea4-5515-4f62-aad1-11841b039c3a - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-04-13 23:04:20.720 1 INFO cinder.rpc [None req-cc6ccea4-5515-4f62-aad1-11841b039c3a - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-04-13 23:04:20.723 1 INFO cinder.rpc [None req-cc6ccea4-5515-4f62-aad1-11841b039c3a - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-04-13 23:04:20.726 1 INFO cinder.rpc [None req-cc6ccea4-5515-4f62-aad1-11841b039c3a - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-04-13 23:04:20.796 1 WARNING oslo_config.cfg [None req-cc6ccea4-5515-4f62-aad1-11841b039c3a - - - - - -] 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 23:04:20.797 1 WARNING oslo_config.cfg [None req-cc6ccea4-5515-4f62-aad1-11841b039c3a - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-04-13 23:04:20.809 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0) 2026-04-13 23:04:20.834 1 INFO cinder.backup.manager [None req-2a4f59ba-8fb9-44df-9c3c-a9276ec33e81 - - - - - -] Cleaning up incomplete backup operations. 2026-04-13 23:04:20.909 1 INFO cinder.keymgr.migration [None req-be81fc47-7046-404b-a06b-1024a0287e07 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.