+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-04-16 17:55:29.707 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-04-16 17:55:29.974 1 INFO cinder.rpc [None req-4d2405ff-82cb-4d1d-ac54-ffa1bc7a85e7 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-04-16 17:55:29.976 1 INFO cinder.rpc [None req-4d2405ff-82cb-4d1d-ac54-ffa1bc7a85e7 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-04-16 17:55:29.979 1 INFO cinder.rpc [None req-4d2405ff-82cb-4d1d-ac54-ffa1bc7a85e7 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-04-16 17:55:29.981 1 INFO cinder.rpc [None req-4d2405ff-82cb-4d1d-ac54-ffa1bc7a85e7 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-04-16 17:55:29.983 1 INFO cinder.rpc [None req-4d2405ff-82cb-4d1d-ac54-ffa1bc7a85e7 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-04-16 17:55:29.985 1 INFO cinder.rpc [None req-4d2405ff-82cb-4d1d-ac54-ffa1bc7a85e7 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-04-16 17:55:30.043 1 WARNING oslo_config.cfg [None req-4d2405ff-82cb-4d1d-ac54-ffa1bc7a85e7 - - - - - -] 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. 2026-04-16 17:55:30.044 1 WARNING oslo_config.cfg [None req-4d2405ff-82cb-4d1d-ac54-ffa1bc7a85e7 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-04-16 17:55:30.052 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0) 2026-04-16 17:55:30.076 1 INFO cinder.backup.manager [None req-6d306345-5b94-49e0-aa9b-e25fcbc64c25 - - - - - -] Cleaning up incomplete backup operations. 2026-04-16 17:55:30.130 1 INFO cinder.keymgr.migration [None req-83129c19-0619-4008-a052-38ddecf0b565 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.