+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-10-06 10:35:07.567 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-10-06 10:35:07.928 1 INFO cinder.rpc [None req-379be565-be75-47d9-a1b1-2418c0aac67a - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-10-06 10:35:07.931 1 INFO cinder.rpc [None req-379be565-be75-47d9-a1b1-2418c0aac67a - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-10-06 10:35:07.933 1 INFO cinder.rpc [None req-379be565-be75-47d9-a1b1-2418c0aac67a - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-10-06 10:35:07.936 1 INFO cinder.rpc [None req-379be565-be75-47d9-a1b1-2418c0aac67a - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-10-06 10:35:07.938 1 INFO cinder.rpc [None req-379be565-be75-47d9-a1b1-2418c0aac67a - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-10-06 10:35:07.942 1 INFO cinder.rpc [None req-379be565-be75-47d9-a1b1-2418c0aac67a - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-10-06 10:35:08.008 1 WARNING oslo_config.cfg [None req-379be565-be75-47d9-a1b1-2418c0aac67a - - - - - -] 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.
2026-10-06 10:35:08.009 1 WARNING oslo_config.cfg [None req-379be565-be75-47d9-a1b1-2418c0aac67a - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-10-06 10:35:08.017 1 INFO cinder.service [-] Starting cinder-backup node (version 27.0.0)
2026-10-06 10:35:08.044 1 INFO cinder.backup.manager [None req-35a844f9-4e4a-4751-aedb-bfc774401fde - - - - - -] Cleaning up incomplete backup operations.
2026-10-06 10:35:08.106 1 INFO cinder.keymgr.migration [None req-a77e40bf-3a6f-4ec4-8f13-95d0322b6859 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.