+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-03-04 15:51:42.972 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-03-04 15:51:43.249 1 INFO cinder.rpc [None req-276fe1e3-b9bd-4f27-a17b-d8e193921294 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-03-04 15:51:43.252 1 INFO cinder.rpc [None req-276fe1e3-b9bd-4f27-a17b-d8e193921294 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-03-04 15:51:43.254 1 INFO cinder.rpc [None req-276fe1e3-b9bd-4f27-a17b-d8e193921294 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-03-04 15:51:43.256 1 INFO cinder.rpc [None req-276fe1e3-b9bd-4f27-a17b-d8e193921294 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-03-04 15:51:43.258 1 INFO cinder.rpc [None req-276fe1e3-b9bd-4f27-a17b-d8e193921294 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-03-04 15:51:43.261 1 INFO cinder.rpc [None req-276fe1e3-b9bd-4f27-a17b-d8e193921294 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-03-04 15:51:43.335 1 WARNING oslo_config.cfg [None req-276fe1e3-b9bd-4f27-a17b-d8e193921294 - - - - - -] 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. 2026-03-04 15:51:43.336 1 WARNING oslo_config.cfg [None req-276fe1e3-b9bd-4f27-a17b-d8e193921294 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-03-04 15:51:43.352 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0) 2026-03-04 15:51:43.379 1 INFO cinder.backup.manager [None req-2d6bc37a-cc3e-4a32-b55d-f31594191328 - - - - - -] Cleaning up incomplete backup operations. 2026-03-04 15:51:43.446 1 INFO cinder.keymgr.migration [None req-f5ef5248-6ea5-45c1-9e29-e3aa53ea3b8d - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.