+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-09-08 23:26:59.243 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-09-08 23:26:59.516 1 INFO cinder.rpc [None req-e1444f5a-2085-49e4-8021-28c27350cddb - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-09-08 23:26:59.518 1 INFO cinder.rpc [None req-e1444f5a-2085-49e4-8021-28c27350cddb - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-09-08 23:26:59.520 1 INFO cinder.rpc [None req-e1444f5a-2085-49e4-8021-28c27350cddb - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-09-08 23:26:59.522 1 INFO cinder.rpc [None req-e1444f5a-2085-49e4-8021-28c27350cddb - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-09-08 23:26:59.525 1 INFO cinder.rpc [None req-e1444f5a-2085-49e4-8021-28c27350cddb - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-09-08 23:26:59.527 1 INFO cinder.rpc [None req-e1444f5a-2085-49e4-8021-28c27350cddb - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-09-08 23:26:59.589 1 WARNING oslo_config.cfg [None req-e1444f5a-2085-49e4-8021-28c27350cddb - - - - - -] 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.
2026-09-08 23:26:59.589 1 WARNING oslo_config.cfg [None req-e1444f5a-2085-49e4-8021-28c27350cddb - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-09-08 23:26:59.598 1 INFO cinder.service [-] Starting cinder-backup node (version 27.0.25)
2026-09-08 23:26:59.623 1 INFO cinder.backup.manager [None req-3fc58560-e68d-4dc8-966e-44af6521e3b2 - - - - - -] Cleaning up incomplete backup operations.
2026-09-08 23:26:59.690 1 INFO cinder.keymgr.migration [None req-db5c7303-5f6b-4dd4-8090-244e16bc29bb - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.