+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-05-26 21:34:46.591 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-05-26 21:34:46.952 1 INFO cinder.rpc [None req-3c4cd6b6-6f91-4454-b08e-e30fb64eb2c1 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-05-26 21:34:46.955 1 INFO cinder.rpc [None req-3c4cd6b6-6f91-4454-b08e-e30fb64eb2c1 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-05-26 21:34:46.958 1 INFO cinder.rpc [None req-3c4cd6b6-6f91-4454-b08e-e30fb64eb2c1 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-05-26 21:34:46.961 1 INFO cinder.rpc [None req-3c4cd6b6-6f91-4454-b08e-e30fb64eb2c1 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-05-26 21:34:46.964 1 INFO cinder.rpc [None req-3c4cd6b6-6f91-4454-b08e-e30fb64eb2c1 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-05-26 21:34:46.968 1 INFO cinder.rpc [None req-3c4cd6b6-6f91-4454-b08e-e30fb64eb2c1 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-05-26 21:34:47.033 1 WARNING oslo_config.cfg [None req-3c4cd6b6-6f91-4454-b08e-e30fb64eb2c1 - - - - - -] 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. 2026-05-26 21:34:47.034 1 WARNING oslo_config.cfg [None req-3c4cd6b6-6f91-4454-b08e-e30fb64eb2c1 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-05-26 21:34:47.048 1 INFO cinder.service [-] Starting cinder-backup node (version 26.2.1) 2026-05-26 21:34:47.076 1 INFO cinder.backup.manager [None req-cdda1cb5-284d-4cef-8431-cbc289a200c8 - - - - - -] Cleaning up incomplete backup operations. 2026-05-26 21:34:47.131 1 INFO cinder.keymgr.migration [None req-cf6288af-9544-402f-b957-6466d37a2073 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.