+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-09-09 01:37:05.986 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-09-09 01:37:06.195 1 INFO cinder.rpc [None req-13e9779c-1d39-419f-9afc-246420d38b17 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-09-09 01:37:06.198 1 INFO cinder.rpc [None req-13e9779c-1d39-419f-9afc-246420d38b17 - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version.
2026-09-09 01:37:06.201 1 INFO cinder.rpc [None req-13e9779c-1d39-419f-9afc-246420d38b17 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-09-09 01:37:06.204 1 INFO cinder.rpc [None req-13e9779c-1d39-419f-9afc-246420d38b17 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-09-09 01:37:06.208 1 INFO cinder.rpc [None req-13e9779c-1d39-419f-9afc-246420d38b17 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-09-09 01:37:06.211 1 INFO cinder.rpc [None req-13e9779c-1d39-419f-9afc-246420d38b17 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-09-09 01:37:06.261 1 WARNING oslo_config.cfg [None req-13e9779c-1d39-419f-9afc-246420d38b17 - - - - - -] 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.
2026-09-09 01:37:06.262 1 WARNING oslo_config.cfg [None req-13e9779c-1d39-419f-9afc-246420d38b17 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-09-09 01:37:06.270 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.9)
2026-09-09 01:37:06.288 1 INFO cinder.backup.manager [None req-738f0a39-8485-40ce-b0a5-110c12d39ed8 - - - - - -] Cleaning up incomplete backup operations.
2026-09-09 01:37:06.470 1 INFO cinder.keymgr.migration [None req-62cc47eb-0d4a-40f3-b280-8ee98314dfd5 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.