+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-04-15 15:37:20.462 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-04-15 15:37:20.736 1 INFO cinder.rpc [None req-c6ed416a-a255-4bcb-bc4e-0020e368c083 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-04-15 15:37:20.739 1 INFO cinder.rpc [None req-c6ed416a-a255-4bcb-bc4e-0020e368c083 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-04-15 15:37:20.741 1 INFO cinder.rpc [None req-c6ed416a-a255-4bcb-bc4e-0020e368c083 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-04-15 15:37:20.743 1 INFO cinder.rpc [None req-c6ed416a-a255-4bcb-bc4e-0020e368c083 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-04-15 15:37:20.747 1 INFO cinder.rpc [None req-c6ed416a-a255-4bcb-bc4e-0020e368c083 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-04-15 15:37:20.752 1 INFO cinder.rpc [None req-c6ed416a-a255-4bcb-bc4e-0020e368c083 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-04-15 15:37:20.816 1 WARNING oslo_config.cfg [None req-c6ed416a-a255-4bcb-bc4e-0020e368c083 - - - - - -] 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.
2026-04-15 15:37:20.818 1 WARNING oslo_config.cfg [None req-c6ed416a-a255-4bcb-bc4e-0020e368c083 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-04-15 15:37:20.827 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0)
2026-04-15 15:37:20.855 1 INFO cinder.backup.manager [None req-44aede6f-792b-46aa-916b-f23fdc7609f0 - - - - - -] Cleaning up incomplete backup operations.
2026-04-15 15:37:20.924 1 INFO cinder.keymgr.migration [None req-d543f475-9809-4941-84ee-5e014928de88 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.