+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-05-28 11:15:31.438 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-05-28 11:15:31.717 1 INFO cinder.rpc [None req-c194f543-5841-4f7e-8d49-3aa7aa074bc1 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-05-28 11:15:31.720 1 INFO cinder.rpc [None req-c194f543-5841-4f7e-8d49-3aa7aa074bc1 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-05-28 11:15:31.722 1 INFO cinder.rpc [None req-c194f543-5841-4f7e-8d49-3aa7aa074bc1 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-05-28 11:15:31.725 1 INFO cinder.rpc [None req-c194f543-5841-4f7e-8d49-3aa7aa074bc1 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-05-28 11:15:31.728 1 INFO cinder.rpc [None req-c194f543-5841-4f7e-8d49-3aa7aa074bc1 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-05-28 11:15:31.731 1 INFO cinder.rpc [None req-c194f543-5841-4f7e-8d49-3aa7aa074bc1 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-05-28 11:15:31.791 1 WARNING oslo_config.cfg [None req-c194f543-5841-4f7e-8d49-3aa7aa074bc1 - - - - - -] 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.
2026-05-28 11:15:31.792 1 WARNING oslo_config.cfg [None req-c194f543-5841-4f7e-8d49-3aa7aa074bc1 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-05-28 11:15:31.801 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0)
2026-05-28 11:15:31.827 1 INFO cinder.backup.manager [None req-d7b13401-331c-47a7-8275-e631df7d5984 - - - - - -] Cleaning up incomplete backup operations.
2026-05-28 11:15:31.882 1 INFO cinder.keymgr.migration [None req-dfe430b1-1f28-4d26-8ce2-7f01b1d04639 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.