+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-04-25 00:59:08.674 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-04-25 00:59:08.961 1 INFO cinder.rpc [None req-cab8a430-d2ff-49c9-b054-eb52ccae9c5d - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-04-25 00:59:08.964 1 INFO cinder.rpc [None req-cab8a430-d2ff-49c9-b054-eb52ccae9c5d - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-04-25 00:59:08.967 1 INFO cinder.rpc [None req-cab8a430-d2ff-49c9-b054-eb52ccae9c5d - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-04-25 00:59:08.970 1 INFO cinder.rpc [None req-cab8a430-d2ff-49c9-b054-eb52ccae9c5d - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-04-25 00:59:08.973 1 INFO cinder.rpc [None req-cab8a430-d2ff-49c9-b054-eb52ccae9c5d - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-04-25 00:59:08.980 1 INFO cinder.rpc [None req-cab8a430-d2ff-49c9-b054-eb52ccae9c5d - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-04-25 00:59:09.613 1 WARNING oslo_config.cfg [None req-cab8a430-d2ff-49c9-b054-eb52ccae9c5d - - - - - -] 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. 2026-04-25 00:59:09.615 1 WARNING oslo_config.cfg [None req-cab8a430-d2ff-49c9-b054-eb52ccae9c5d - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-04-25 00:59:09.626 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0) 2026-04-25 00:59:09.653 1 INFO cinder.backup.manager [None req-54ab71da-7db5-46b2-8ecb-c77de883c9c9 - - - - - -] Cleaning up incomplete backup operations. 2026-04-25 00:59:09.750 1 INFO cinder.keymgr.migration [None req-e3a7a8fe-fddd-4bf6-8e6d-bb022b299a1d - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.