+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-05-27 10:27:20.715 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-05-27 10:27:21.019 1 INFO cinder.rpc [None req-3657d9e8-7380-473a-a03e-005dfa65673d - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-05-27 10:27:21.023 1 INFO cinder.rpc [None req-3657d9e8-7380-473a-a03e-005dfa65673d - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-05-27 10:27:21.025 1 INFO cinder.rpc [None req-3657d9e8-7380-473a-a03e-005dfa65673d - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-05-27 10:27:21.028 1 INFO cinder.rpc [None req-3657d9e8-7380-473a-a03e-005dfa65673d - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-05-27 10:27:21.031 1 INFO cinder.rpc [None req-3657d9e8-7380-473a-a03e-005dfa65673d - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-05-27 10:27:21.035 1 INFO cinder.rpc [None req-3657d9e8-7380-473a-a03e-005dfa65673d - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-05-27 10:27:21.191 1 WARNING oslo_config.cfg [None req-3657d9e8-7380-473a-a03e-005dfa65673d - - - - - -] 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.
2026-05-27 10:27:21.192 1 WARNING oslo_config.cfg [None req-3657d9e8-7380-473a-a03e-005dfa65673d - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-05-27 10:27:21.201 1 INFO cinder.service [-] Starting cinder-backup node (version 27.0.1)
2026-05-27 10:27:21.227 1 INFO cinder.backup.manager [None req-d9a8fae6-30da-4669-8876-c7c6e98fd2b2 - - - - - -] Cleaning up incomplete backup operations.
2026-05-27 10:27:21.296 1 INFO cinder.keymgr.migration [None req-de18ef4f-7fea-44c1-99af-3142695b1644 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.