+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-08-26 04:27:24.440 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-08-26 04:27:24.726 1 INFO cinder.rpc [None req-40f6a832-ad69-417e-ae97-d9b0d6b89a62 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-08-26 04:27:24.730 1 INFO cinder.rpc [None req-40f6a832-ad69-417e-ae97-d9b0d6b89a62 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-08-26 04:27:24.733 1 INFO cinder.rpc [None req-40f6a832-ad69-417e-ae97-d9b0d6b89a62 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-08-26 04:27:24.735 1 INFO cinder.rpc [None req-40f6a832-ad69-417e-ae97-d9b0d6b89a62 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-08-26 04:27:24.738 1 INFO cinder.rpc [None req-40f6a832-ad69-417e-ae97-d9b0d6b89a62 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-08-26 04:27:24.741 1 INFO cinder.rpc [None req-40f6a832-ad69-417e-ae97-d9b0d6b89a62 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-08-26 04:27:24.801 1 WARNING oslo_config.cfg [None req-40f6a832-ad69-417e-ae97-d9b0d6b89a62 - - - - - -] 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.
2026-08-26 04:27:24.802 1 WARNING oslo_config.cfg [None req-40f6a832-ad69-417e-ae97-d9b0d6b89a62 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-08-26 04:27:24.810 1 INFO cinder.service [-] Starting cinder-backup node (version 26.3.0)
2026-08-26 04:27:24.834 1 INFO cinder.backup.manager [None req-bc9f06e5-0764-407e-8e45-c7edcf3af5eb - - - - - -] Cleaning up incomplete backup operations.
2026-08-26 04:27:24.882 1 INFO cinder.keymgr.migration [None req-0e6c1f7c-9e5c-46d0-a1a5-2c0f39fc5d85 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.