+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-08-16 13:18:45.491 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-08-16 13:18:45.773 1 INFO cinder.rpc [None req-371eaedb-4737-4649-8293-7b31bb9cfa8d - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-08-16 13:18:45.775 1 INFO cinder.rpc [None req-371eaedb-4737-4649-8293-7b31bb9cfa8d - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-08-16 13:18:45.778 1 INFO cinder.rpc [None req-371eaedb-4737-4649-8293-7b31bb9cfa8d - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-08-16 13:18:45.780 1 INFO cinder.rpc [None req-371eaedb-4737-4649-8293-7b31bb9cfa8d - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-08-16 13:18:45.783 1 INFO cinder.rpc [None req-371eaedb-4737-4649-8293-7b31bb9cfa8d - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-08-16 13:18:45.786 1 INFO cinder.rpc [None req-371eaedb-4737-4649-8293-7b31bb9cfa8d - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-08-16 13:18:45.850 1 WARNING oslo_config.cfg [None req-371eaedb-4737-4649-8293-7b31bb9cfa8d - - - - - -] 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.
2026-08-16 13:18:45.851 1 WARNING oslo_config.cfg [None req-371eaedb-4737-4649-8293-7b31bb9cfa8d - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-08-16 13:18:45.862 1 INFO cinder.service [-] Starting cinder-backup node (version 26.3.0)
2026-08-16 13:18:45.886 1 INFO cinder.backup.manager [None req-0bd9b40a-2af6-4c2a-8c3a-9d7553dcd85f - - - - - -] Cleaning up incomplete backup operations.
2026-08-16 13:18:45.931 1 INFO cinder.keymgr.migration [None req-a382c90c-3aa8-4970-81a9-73b6df17776d - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.