+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-05-14 13:46:56.291 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-05-14 13:46:56.568 1 INFO cinder.rpc [None req-f3425ade-584e-476f-ae80-359b9962ef29 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-05-14 13:46:56.570 1 INFO cinder.rpc [None req-f3425ade-584e-476f-ae80-359b9962ef29 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-05-14 13:46:56.572 1 INFO cinder.rpc [None req-f3425ade-584e-476f-ae80-359b9962ef29 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-05-14 13:46:56.577 1 INFO cinder.rpc [None req-f3425ade-584e-476f-ae80-359b9962ef29 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-05-14 13:46:56.580 1 INFO cinder.rpc [None req-f3425ade-584e-476f-ae80-359b9962ef29 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-05-14 13:46:56.583 1 INFO cinder.rpc [None req-f3425ade-584e-476f-ae80-359b9962ef29 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-05-14 13:46:56.656 1 WARNING oslo_config.cfg [None req-f3425ade-584e-476f-ae80-359b9962ef29 - - - - - -] 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. 2026-05-14 13:46:56.657 1 WARNING oslo_config.cfg [None req-f3425ade-584e-476f-ae80-359b9962ef29 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-05-14 13:46:56.668 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0) 2026-05-14 13:46:56.695 1 INFO cinder.backup.manager [None req-52c1f95b-07fd-4b19-9051-7c5b00bce267 - - - - - -] Cleaning up incomplete backup operations. 2026-05-14 13:46:56.754 1 INFO cinder.keymgr.migration [None req-b5067d02-7f6f-4b9a-b0ba-288fd47c42f4 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.