+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-10-04 13:15:22.650 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-10-04 13:15:22.880 1 INFO cinder.rpc [None req-fab573d7-a456-42d9-bff8-d47aeadcd97a - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-10-04 13:15:22.883 1 INFO cinder.rpc [None req-fab573d7-a456-42d9-bff8-d47aeadcd97a - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version.
2026-10-04 13:15:22.886 1 INFO cinder.rpc [None req-fab573d7-a456-42d9-bff8-d47aeadcd97a - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-10-04 13:15:22.888 1 INFO cinder.rpc [None req-fab573d7-a456-42d9-bff8-d47aeadcd97a - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-10-04 13:15:22.892 1 INFO cinder.rpc [None req-fab573d7-a456-42d9-bff8-d47aeadcd97a - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-10-04 13:15:22.896 1 INFO cinder.rpc [None req-fab573d7-a456-42d9-bff8-d47aeadcd97a - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-10-04 13:15:22.949 1 WARNING oslo_config.cfg [None req-fab573d7-a456-42d9-bff8-d47aeadcd97a - - - - - -] 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.
2026-10-04 13:15:22.950 1 WARNING oslo_config.cfg [None req-fab573d7-a456-42d9-bff8-d47aeadcd97a - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-10-04 13:15:22.959 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.2)
2026-10-04 13:15:22.977 1 INFO cinder.backup.manager [None req-a62c78d0-a632-4d3d-b050-fac24d912867 - - - - - -] Cleaning up incomplete backup operations.
2026-10-04 13:15:23.216 1 INFO cinder.keymgr.migration [None req-0fae172c-8c29-459c-b951-979e970f4c28 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.