+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-08-22 15:06:51.249 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-08-22 15:06:51.538 1 INFO cinder.rpc [None req-7d29753b-d819-443a-913c-418bf7fd03d2 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-08-22 15:06:51.541 1 INFO cinder.rpc [None req-7d29753b-d819-443a-913c-418bf7fd03d2 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-08-22 15:06:51.544 1 INFO cinder.rpc [None req-7d29753b-d819-443a-913c-418bf7fd03d2 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-08-22 15:06:51.548 1 INFO cinder.rpc [None req-7d29753b-d819-443a-913c-418bf7fd03d2 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-08-22 15:06:51.551 1 INFO cinder.rpc [None req-7d29753b-d819-443a-913c-418bf7fd03d2 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-08-22 15:06:51.554 1 INFO cinder.rpc [None req-7d29753b-d819-443a-913c-418bf7fd03d2 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-08-22 15:06:51.635 1 WARNING oslo_config.cfg [None req-7d29753b-d819-443a-913c-418bf7fd03d2 - - - - - -] 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.
2026-08-22 15:06:51.637 1 WARNING oslo_config.cfg [None req-7d29753b-d819-443a-913c-418bf7fd03d2 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-08-22 15:06:51.646 1 INFO cinder.service [-] Starting cinder-backup node (version 27.0.25)
2026-08-22 15:06:51.672 1 INFO cinder.backup.manager [None req-edb0d3c7-c9e1-4307-a71c-b35acccd9aef - - - - - -] Cleaning up incomplete backup operations.
2026-08-22 15:06:51.733 1 INFO cinder.keymgr.migration [None req-ca65b20c-9231-43b9-9616-fe5b9626199b - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.