+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-03-05 18:14:23.628 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-03-05 18:14:23.926 1 INFO cinder.rpc [None req-3b3d9a77-5016-4309-8600-df1da9302a8c - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-03-05 18:14:23.929 1 INFO cinder.rpc [None req-3b3d9a77-5016-4309-8600-df1da9302a8c - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-03-05 18:14:23.931 1 INFO cinder.rpc [None req-3b3d9a77-5016-4309-8600-df1da9302a8c - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-03-05 18:14:23.933 1 INFO cinder.rpc [None req-3b3d9a77-5016-4309-8600-df1da9302a8c - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-03-05 18:14:23.936 1 INFO cinder.rpc [None req-3b3d9a77-5016-4309-8600-df1da9302a8c - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-03-05 18:14:23.939 1 INFO cinder.rpc [None req-3b3d9a77-5016-4309-8600-df1da9302a8c - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-03-05 18:14:24.000 1 WARNING oslo_config.cfg [None req-3b3d9a77-5016-4309-8600-df1da9302a8c - - - - - -] 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.
2026-03-05 18:14:24.002 1 WARNING oslo_config.cfg [None req-3b3d9a77-5016-4309-8600-df1da9302a8c - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-03-05 18:14:24.012 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0)
2026-03-05 18:14:24.037 1 INFO cinder.backup.manager [None req-fa7c78d0-6e43-4759-bb6f-4c828d451c94 - - - - - -] Cleaning up incomplete backup operations.
2026-03-05 18:14:24.096 1 INFO cinder.keymgr.migration [None req-89be6715-beae-43e5-92ca-3d16831620a4 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.