+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-08-12 11:32:29.464 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-08-12 11:32:29.723 1 INFO cinder.rpc [None req-e3b8e7c9-5847-4d29-aa02-75c8b4125b51 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-08-12 11:32:29.726 1 INFO cinder.rpc [None req-e3b8e7c9-5847-4d29-aa02-75c8b4125b51 - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version.
2026-08-12 11:32:29.728 1 INFO cinder.rpc [None req-e3b8e7c9-5847-4d29-aa02-75c8b4125b51 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-08-12 11:32:29.732 1 INFO cinder.rpc [None req-e3b8e7c9-5847-4d29-aa02-75c8b4125b51 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-08-12 11:32:29.736 1 INFO cinder.rpc [None req-e3b8e7c9-5847-4d29-aa02-75c8b4125b51 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-08-12 11:32:29.740 1 INFO cinder.rpc [None req-e3b8e7c9-5847-4d29-aa02-75c8b4125b51 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-08-12 11:32:29.795 1 WARNING oslo_config.cfg [None req-e3b8e7c9-5847-4d29-aa02-75c8b4125b51 - - - - - -] 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.
2026-08-12 11:32:29.796 1 WARNING oslo_config.cfg [None req-e3b8e7c9-5847-4d29-aa02-75c8b4125b51 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-08-12 11:32:29.807 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.3)
2026-08-12 11:32:29.825 1 INFO cinder.backup.manager [None req-7678ea73-8660-457e-8886-c0badbd38a46 - - - - - -] Cleaning up incomplete backup operations.
2026-08-12 11:32:29.964 1 INFO cinder.keymgr.migration [None req-9cd670b1-c8eb-4335-bb2d-a0913f717f0b - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.