+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-09-23 11:00:57.836 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-09-23 11:00:58.047 1 INFO cinder.rpc [None req-3b08f439-d79e-42cb-a170-c301e1cc8542 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-09-23 11:00:58.049 1 INFO cinder.rpc [None req-3b08f439-d79e-42cb-a170-c301e1cc8542 - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version.
2026-09-23 11:00:58.052 1 INFO cinder.rpc [None req-3b08f439-d79e-42cb-a170-c301e1cc8542 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-09-23 11:00:58.054 1 INFO cinder.rpc [None req-3b08f439-d79e-42cb-a170-c301e1cc8542 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-09-23 11:00:58.057 1 INFO cinder.rpc [None req-3b08f439-d79e-42cb-a170-c301e1cc8542 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-09-23 11:00:58.060 1 INFO cinder.rpc [None req-3b08f439-d79e-42cb-a170-c301e1cc8542 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-09-23 11:00:58.107 1 WARNING oslo_config.cfg [None req-3b08f439-d79e-42cb-a170-c301e1cc8542 - - - - - -] 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.
2026-09-23 11:00:58.108 1 WARNING oslo_config.cfg [None req-3b08f439-d79e-42cb-a170-c301e1cc8542 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-09-23 11:00:58.117 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.2)
2026-09-23 11:00:58.133 1 INFO cinder.backup.manager [None req-d2d966f9-19b9-4eef-822d-7cd6f45ec6e0 - - - - - -] Cleaning up incomplete backup operations.
2026-09-23 11:00:58.256 1 INFO cinder.keymgr.migration [None req-1cb041ae-28b5-4db2-8515-279f92a287aa - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.