+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-10-03 22:40:39.607 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-10-03 22:40:39.812 1 INFO cinder.rpc [None req-e311e403-2bf2-4551-8175-88e22cd94b5e - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-10-03 22:40:39.814 1 INFO cinder.rpc [None req-e311e403-2bf2-4551-8175-88e22cd94b5e - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version.
2026-10-03 22:40:39.817 1 INFO cinder.rpc [None req-e311e403-2bf2-4551-8175-88e22cd94b5e - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-10-03 22:40:39.820 1 INFO cinder.rpc [None req-e311e403-2bf2-4551-8175-88e22cd94b5e - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-10-03 22:40:39.823 1 INFO cinder.rpc [None req-e311e403-2bf2-4551-8175-88e22cd94b5e - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-10-03 22:40:39.827 1 INFO cinder.rpc [None req-e311e403-2bf2-4551-8175-88e22cd94b5e - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-10-03 22:40:39.881 1 WARNING oslo_config.cfg [None req-e311e403-2bf2-4551-8175-88e22cd94b5e - - - - - -] 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.
2026-10-03 22:40:39.882 1 WARNING oslo_config.cfg [None req-e311e403-2bf2-4551-8175-88e22cd94b5e - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-10-03 22:40:39.890 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.2)
2026-10-03 22:40:39.909 1 INFO cinder.backup.manager [None req-f5a3a484-eeba-4af9-896a-6bd3afbb1aa8 - - - - - -] Cleaning up incomplete backup operations.
2026-10-03 22:40:40.037 1 INFO cinder.keymgr.migration [None req-06fa11f3-99c3-49d5-8442-a7995070ba24 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.