+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-05-07 23:45:33.872 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-05-07 23:45:34.103 1 INFO cinder.rpc [None req-4db2c930-5ddf-41ed-97b7-612481f1d6e3 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-05-07 23:45:34.106 1 INFO cinder.rpc [None req-4db2c930-5ddf-41ed-97b7-612481f1d6e3 - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version. 2026-05-07 23:45:34.109 1 INFO cinder.rpc [None req-4db2c930-5ddf-41ed-97b7-612481f1d6e3 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-05-07 23:45:34.112 1 INFO cinder.rpc [None req-4db2c930-5ddf-41ed-97b7-612481f1d6e3 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version. 2026-05-07 23:45:34.117 1 INFO cinder.rpc [None req-4db2c930-5ddf-41ed-97b7-612481f1d6e3 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-05-07 23:45:34.120 1 INFO cinder.rpc [None req-4db2c930-5ddf-41ed-97b7-612481f1d6e3 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-05-07 23:45:34.170 1 WARNING oslo_config.cfg [None req-4db2c930-5ddf-41ed-97b7-612481f1d6e3 - - - - - -] 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. 2026-05-07 23:45:34.172 1 WARNING oslo_config.cfg [None req-4db2c930-5ddf-41ed-97b7-612481f1d6e3 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-05-07 23:45:34.183 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.3) 2026-05-07 23:45:34.202 1 INFO cinder.backup.manager [None req-92e2c5a5-7dfa-4dbc-878a-93a520c189b5 - - - - - -] Cleaning up incomplete backup operations. 2026-05-07 23:45:34.327 1 INFO cinder.keymgr.migration [None req-52348c2a-19b0-4512-952b-fb69287dd814 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.