+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-09-07 18:49:35.056 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-09-07 18:49:35.318 1 INFO cinder.rpc [None req-aa2c1980-ab57-4dc7-b942-c3a0562d33ee - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-09-07 18:49:35.320 1 INFO cinder.rpc [None req-aa2c1980-ab57-4dc7-b942-c3a0562d33ee - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version.
2026-09-07 18:49:35.322 1 INFO cinder.rpc [None req-aa2c1980-ab57-4dc7-b942-c3a0562d33ee - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-09-07 18:49:35.325 1 INFO cinder.rpc [None req-aa2c1980-ab57-4dc7-b942-c3a0562d33ee - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-09-07 18:49:35.327 1 INFO cinder.rpc [None req-aa2c1980-ab57-4dc7-b942-c3a0562d33ee - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-09-07 18:49:35.329 1 INFO cinder.rpc [None req-aa2c1980-ab57-4dc7-b942-c3a0562d33ee - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-09-07 18:49:35.377 1 WARNING oslo_config.cfg [None req-aa2c1980-ab57-4dc7-b942-c3a0562d33ee - - - - - -] 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.
2026-09-07 18:49:35.378 1 WARNING oslo_config.cfg [None req-aa2c1980-ab57-4dc7-b942-c3a0562d33ee - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-09-07 18:49:35.387 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.9)
2026-09-07 18:49:35.404 1 INFO cinder.backup.manager [None req-84641255-af4b-4fc9-a98e-eff78c6cf2e5 - - - - - -] Cleaning up incomplete backup operations.
2026-09-07 18:49:35.596 1 INFO cinder.keymgr.migration [None req-a84a70e3-6098-42a5-b9dc-42622a2c8d0d - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.