+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-03-11 17:19:43.642 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-03-11 17:19:43.942 1 INFO cinder.rpc [None req-9207d850-3ce7-425b-8896-640946eb49b9 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-03-11 17:19:43.944 1 INFO cinder.rpc [None req-9207d850-3ce7-425b-8896-640946eb49b9 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-03-11 17:19:43.946 1 INFO cinder.rpc [None req-9207d850-3ce7-425b-8896-640946eb49b9 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-03-11 17:19:43.948 1 INFO cinder.rpc [None req-9207d850-3ce7-425b-8896-640946eb49b9 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-03-11 17:19:43.952 1 INFO cinder.rpc [None req-9207d850-3ce7-425b-8896-640946eb49b9 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-03-11 17:19:43.955 1 INFO cinder.rpc [None req-9207d850-3ce7-425b-8896-640946eb49b9 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-03-11 17:19:44.022 1 WARNING oslo_config.cfg [None req-9207d850-3ce7-425b-8896-640946eb49b9 - - - - - -] 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.
2026-03-11 17:19:44.023 1 WARNING oslo_config.cfg [None req-9207d850-3ce7-425b-8896-640946eb49b9 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-03-11 17:19:44.032 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0)
2026-03-11 17:19:44.058 1 INFO cinder.backup.manager [None req-3efd7f78-f221-4928-945d-376409008876 - - - - - -] Cleaning up incomplete backup operations.
2026-03-11 17:19:44.116 1 INFO cinder.keymgr.migration [None req-95711a26-a0b7-45cb-850c-c05717832c87 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.