+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-04-17 11:51:07.370 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-04-17 11:51:07.652 1 INFO cinder.rpc [None req-07316d28-c5e7-4cf2-906f-fca49f86b235 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-04-17 11:51:07.655 1 INFO cinder.rpc [None req-07316d28-c5e7-4cf2-906f-fca49f86b235 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-04-17 11:51:07.657 1 INFO cinder.rpc [None req-07316d28-c5e7-4cf2-906f-fca49f86b235 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-04-17 11:51:07.660 1 INFO cinder.rpc [None req-07316d28-c5e7-4cf2-906f-fca49f86b235 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-04-17 11:51:07.663 1 INFO cinder.rpc [None req-07316d28-c5e7-4cf2-906f-fca49f86b235 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-04-17 11:51:07.665 1 INFO cinder.rpc [None req-07316d28-c5e7-4cf2-906f-fca49f86b235 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-04-17 11:51:07.730 1 WARNING oslo_config.cfg [None req-07316d28-c5e7-4cf2-906f-fca49f86b235 - - - - - -] 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.
2026-04-17 11:51:07.731 1 WARNING oslo_config.cfg [None req-07316d28-c5e7-4cf2-906f-fca49f86b235 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-04-17 11:51:07.742 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0)
2026-04-17 11:51:07.766 1 INFO cinder.backup.manager [None req-37aa8791-c1ad-4071-8668-acb82f917b0b - - - - - -] Cleaning up incomplete backup operations.
2026-04-17 11:51:07.824 1 INFO cinder.keymgr.migration [None req-92390448-99b7-4a66-96ed-7517ee4d09a2 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.