+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-04-27 21:29:54.386 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-04-27 21:29:54.668 1 INFO cinder.rpc [None req-51414208-f5cd-4135-bb52-e0587e67e540 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-04-27 21:29:54.673 1 INFO cinder.rpc [None req-51414208-f5cd-4135-bb52-e0587e67e540 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-04-27 21:29:54.676 1 INFO cinder.rpc [None req-51414208-f5cd-4135-bb52-e0587e67e540 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-04-27 21:29:54.678 1 INFO cinder.rpc [None req-51414208-f5cd-4135-bb52-e0587e67e540 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-04-27 21:29:54.681 1 INFO cinder.rpc [None req-51414208-f5cd-4135-bb52-e0587e67e540 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-04-27 21:29:54.684 1 INFO cinder.rpc [None req-51414208-f5cd-4135-bb52-e0587e67e540 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-04-27 21:29:54.749 1 WARNING oslo_config.cfg [None req-51414208-f5cd-4135-bb52-e0587e67e540 - - - - - -] 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.
2026-04-27 21:29:54.750 1 WARNING oslo_config.cfg [None req-51414208-f5cd-4135-bb52-e0587e67e540 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-04-27 21:29:54.761 1 INFO cinder.service [-] Starting cinder-backup node (version 26.2.1)
2026-04-27 21:29:54.786 1 INFO cinder.backup.manager [None req-9d81e7d3-2576-4a21-9e04-6fb739a8284d - - - - - -] Cleaning up incomplete backup operations.
2026-04-27 21:29:54.842 1 INFO cinder.keymgr.migration [None req-8238a0dd-f738-47ca-95ff-559042821b4c - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.