+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-05-09 22:10:30.017 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-05-09 22:10:30.303 1 INFO cinder.rpc [None req-2624f3f4-3be2-4b9e-94a0-7ce30125463a - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-05-09 22:10:30.305 1 INFO cinder.rpc [None req-2624f3f4-3be2-4b9e-94a0-7ce30125463a - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-05-09 22:10:30.307 1 INFO cinder.rpc [None req-2624f3f4-3be2-4b9e-94a0-7ce30125463a - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-05-09 22:10:30.309 1 INFO cinder.rpc [None req-2624f3f4-3be2-4b9e-94a0-7ce30125463a - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-05-09 22:10:30.312 1 INFO cinder.rpc [None req-2624f3f4-3be2-4b9e-94a0-7ce30125463a - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-05-09 22:10:30.314 1 INFO cinder.rpc [None req-2624f3f4-3be2-4b9e-94a0-7ce30125463a - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-05-09 22:10:30.375 1 WARNING oslo_config.cfg [None req-2624f3f4-3be2-4b9e-94a0-7ce30125463a - - - - - -] 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. 2026-05-09 22:10:30.376 1 WARNING oslo_config.cfg [None req-2624f3f4-3be2-4b9e-94a0-7ce30125463a - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-05-09 22:10:30.385 1 INFO cinder.service [-] Starting cinder-backup node (version 27.0.1) 2026-05-09 22:10:30.408 1 INFO cinder.backup.manager [None req-dd596d45-65d3-4ba0-aac8-206f0e6eea01 - - - - - -] Cleaning up incomplete backup operations. 2026-05-09 22:10:30.470 1 INFO cinder.keymgr.migration [None req-69c81d9b-2640-4569-bb8c-14a7f4c52712 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.