+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-05-11 05:55:31.677 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-05-11 05:55:31.965 1 INFO cinder.rpc [None req-8298b12b-06d7-456d-b88b-f7978b051175 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-05-11 05:55:31.967 1 INFO cinder.rpc [None req-8298b12b-06d7-456d-b88b-f7978b051175 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-05-11 05:55:31.969 1 INFO cinder.rpc [None req-8298b12b-06d7-456d-b88b-f7978b051175 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-05-11 05:55:31.970 1 INFO cinder.rpc [None req-8298b12b-06d7-456d-b88b-f7978b051175 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-05-11 05:55:31.973 1 INFO cinder.rpc [None req-8298b12b-06d7-456d-b88b-f7978b051175 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-05-11 05:55:31.975 1 INFO cinder.rpc [None req-8298b12b-06d7-456d-b88b-f7978b051175 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-05-11 05:55:32.030 1 WARNING oslo_config.cfg [None req-8298b12b-06d7-456d-b88b-f7978b051175 - - - - - -] 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. 2026-05-11 05:55:32.030 1 WARNING oslo_config.cfg [None req-8298b12b-06d7-456d-b88b-f7978b051175 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-05-11 05:55:32.039 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0) 2026-05-11 05:55:32.064 1 INFO cinder.backup.manager [None req-51d5e72e-d31b-4824-8716-c30c9af9dd33 - - - - - -] Cleaning up incomplete backup operations. 2026-05-11 05:55:32.120 1 INFO cinder.keymgr.migration [None req-fe98ba6f-8712-4eb3-9d9d-2c952483930a - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.