+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-07-21 21:26:00.198 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-07-21 21:26:00.432 1 INFO cinder.rpc [None req-11e19282-8d90-46f9-b5f3-7815d69662d2 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-07-21 21:26:00.435 1 INFO cinder.rpc [None req-11e19282-8d90-46f9-b5f3-7815d69662d2 - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version.
2026-07-21 21:26:00.438 1 INFO cinder.rpc [None req-11e19282-8d90-46f9-b5f3-7815d69662d2 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-07-21 21:26:00.442 1 INFO cinder.rpc [None req-11e19282-8d90-46f9-b5f3-7815d69662d2 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-07-21 21:26:00.445 1 INFO cinder.rpc [None req-11e19282-8d90-46f9-b5f3-7815d69662d2 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-07-21 21:26:00.449 1 INFO cinder.rpc [None req-11e19282-8d90-46f9-b5f3-7815d69662d2 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-07-21 21:26:00.501 1 WARNING oslo_config.cfg [None req-11e19282-8d90-46f9-b5f3-7815d69662d2 - - - - - -] 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.
2026-07-21 21:26:00.502 1 WARNING oslo_config.cfg [None req-11e19282-8d90-46f9-b5f3-7815d69662d2 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-07-21 21:26:00.512 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.3)
2026-07-21 21:26:00.530 1 INFO cinder.backup.manager [None req-3f1d328b-b0fd-49cd-a3b4-bce868892c5e - - - - - -] Cleaning up incomplete backup operations.
2026-07-21 21:26:00.649 1 INFO cinder.keymgr.migration [None req-10844925-f9c7-4072-8f30-64a1fc4fdb29 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.