+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-04-14 04:29:39.682 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-04-14 04:29:39.973 1 INFO cinder.rpc [None req-4a1dddae-8829-49dc-aa6c-b6404e4f8646 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-04-14 04:29:39.976 1 INFO cinder.rpc [None req-4a1dddae-8829-49dc-aa6c-b6404e4f8646 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-04-14 04:29:39.979 1 INFO cinder.rpc [None req-4a1dddae-8829-49dc-aa6c-b6404e4f8646 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-04-14 04:29:39.982 1 INFO cinder.rpc [None req-4a1dddae-8829-49dc-aa6c-b6404e4f8646 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-04-14 04:29:39.986 1 INFO cinder.rpc [None req-4a1dddae-8829-49dc-aa6c-b6404e4f8646 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-04-14 04:29:39.988 1 INFO cinder.rpc [None req-4a1dddae-8829-49dc-aa6c-b6404e4f8646 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-04-14 04:29:40.058 1 WARNING oslo_config.cfg [None req-4a1dddae-8829-49dc-aa6c-b6404e4f8646 - - - - - -] 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.
2026-04-14 04:29:40.059 1 WARNING oslo_config.cfg [None req-4a1dddae-8829-49dc-aa6c-b6404e4f8646 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-04-14 04:29:40.068 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0)
2026-04-14 04:29:40.095 1 INFO cinder.backup.manager [None req-8fbd5628-fe48-4c58-98f4-321852f7c844 - - - - - -] Cleaning up incomplete backup operations.
2026-04-14 04:29:40.167 1 INFO cinder.keymgr.migration [None req-80416b52-2dcf-403a-af76-a252a208e97c - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.