+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-06-03 07:58:51.520 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-06-03 07:58:51.830 1 INFO cinder.rpc [None req-3cebbed6-c379-4f35-89b7-6b775c52937c - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-06-03 07:58:51.833 1 INFO cinder.rpc [None req-3cebbed6-c379-4f35-89b7-6b775c52937c - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-06-03 07:58:51.835 1 INFO cinder.rpc [None req-3cebbed6-c379-4f35-89b7-6b775c52937c - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-06-03 07:58:51.837 1 INFO cinder.rpc [None req-3cebbed6-c379-4f35-89b7-6b775c52937c - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-06-03 07:58:51.840 1 INFO cinder.rpc [None req-3cebbed6-c379-4f35-89b7-6b775c52937c - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-06-03 07:58:51.843 1 INFO cinder.rpc [None req-3cebbed6-c379-4f35-89b7-6b775c52937c - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-06-03 07:58:51.916 1 WARNING oslo_config.cfg [None req-3cebbed6-c379-4f35-89b7-6b775c52937c - - - - - -] 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. 2026-06-03 07:58:51.917 1 WARNING oslo_config.cfg [None req-3cebbed6-c379-4f35-89b7-6b775c52937c - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-06-03 07:58:51.927 1 INFO cinder.service [-] Starting cinder-backup node (version 27.0.1) 2026-06-03 07:58:51.951 1 INFO cinder.backup.manager [None req-68eb413e-9d1c-4476-8d7f-6a9c8e7494da - - - - - -] Cleaning up incomplete backup operations. 2026-06-03 07:58:52.014 1 INFO cinder.keymgr.migration [None req-2f4508b0-a734-4019-a748-e21670d8ff7a - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.