+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-09-11 18:07:32.935 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-09-11 18:07:33.200 1 INFO cinder.rpc [None req-605642e5-b4fc-4f37-a3ff-5be95f3b1f29 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-09-11 18:07:33.203 1 INFO cinder.rpc [None req-605642e5-b4fc-4f37-a3ff-5be95f3b1f29 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-09-11 18:07:33.205 1 INFO cinder.rpc [None req-605642e5-b4fc-4f37-a3ff-5be95f3b1f29 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-09-11 18:07:33.207 1 INFO cinder.rpc [None req-605642e5-b4fc-4f37-a3ff-5be95f3b1f29 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-09-11 18:07:33.215 1 INFO cinder.rpc [None req-605642e5-b4fc-4f37-a3ff-5be95f3b1f29 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-09-11 18:07:33.217 1 INFO cinder.rpc [None req-605642e5-b4fc-4f37-a3ff-5be95f3b1f29 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-09-11 18:07:33.272 1 WARNING oslo_config.cfg [None req-605642e5-b4fc-4f37-a3ff-5be95f3b1f29 - - - - - -] 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.
2026-09-11 18:07:33.273 1 WARNING oslo_config.cfg [None req-605642e5-b4fc-4f37-a3ff-5be95f3b1f29 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-09-11 18:07:33.281 1 INFO cinder.service [-] Starting cinder-backup node (version 26.3.0)
2026-09-11 18:07:33.305 1 INFO cinder.backup.manager [None req-f5cf8ec9-35f7-4504-95ac-43f78db89ced - - - - - -] Cleaning up incomplete backup operations.
2026-09-11 18:07:33.346 1 INFO cinder.keymgr.migration [None req-292dd9eb-9bcf-4969-9ed8-60f0d0853a66 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.