+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-08-19 20:57:33.015 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-08-19 20:57:33.255 1 INFO cinder.rpc [None req-b80d6e16-795d-4f85-9914-8c2f53c6fac2 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-08-19 20:57:33.258 1 INFO cinder.rpc [None req-b80d6e16-795d-4f85-9914-8c2f53c6fac2 - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version.
2026-08-19 20:57:33.261 1 INFO cinder.rpc [None req-b80d6e16-795d-4f85-9914-8c2f53c6fac2 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-08-19 20:57:33.263 1 INFO cinder.rpc [None req-b80d6e16-795d-4f85-9914-8c2f53c6fac2 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-08-19 20:57:33.266 1 INFO cinder.rpc [None req-b80d6e16-795d-4f85-9914-8c2f53c6fac2 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-08-19 20:57:33.270 1 INFO cinder.rpc [None req-b80d6e16-795d-4f85-9914-8c2f53c6fac2 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-08-19 20:57:33.336 1 WARNING oslo_config.cfg [None req-b80d6e16-795d-4f85-9914-8c2f53c6fac2 - - - - - -] 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.
2026-08-19 20:57:33.337 1 WARNING oslo_config.cfg [None req-b80d6e16-795d-4f85-9914-8c2f53c6fac2 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-08-19 20:57:33.353 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.9)
2026-08-19 20:57:33.375 1 INFO cinder.backup.manager [None req-a049b40e-b73a-46fb-999e-98f0bd9bd1dc - - - - - -] Cleaning up incomplete backup operations.
2026-08-19 20:57:33.519 1 INFO cinder.keymgr.migration [None req-486e9c6d-688f-43a9-8940-633b47d8334a - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.