+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-09-01 19:01:51.701 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-09-01 19:01:51.986 1 INFO cinder.rpc [None req-b75aba90-6587-4717-adf6-3c58eca8fbff - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-09-01 19:01:51.988 1 INFO cinder.rpc [None req-b75aba90-6587-4717-adf6-3c58eca8fbff - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-09-01 19:01:51.990 1 INFO cinder.rpc [None req-b75aba90-6587-4717-adf6-3c58eca8fbff - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-09-01 19:01:51.992 1 INFO cinder.rpc [None req-b75aba90-6587-4717-adf6-3c58eca8fbff - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-09-01 19:01:51.994 1 INFO cinder.rpc [None req-b75aba90-6587-4717-adf6-3c58eca8fbff - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-09-01 19:01:51.996 1 INFO cinder.rpc [None req-b75aba90-6587-4717-adf6-3c58eca8fbff - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-09-01 19:01:52.059 1 WARNING oslo_config.cfg [None req-b75aba90-6587-4717-adf6-3c58eca8fbff - - - - - -] 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.
2026-09-01 19:01:52.060 1 WARNING oslo_config.cfg [None req-b75aba90-6587-4717-adf6-3c58eca8fbff - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-09-01 19:01:52.069 1 INFO cinder.service [-] Starting cinder-backup node (version 27.0.25)
2026-09-01 19:01:52.091 1 INFO cinder.backup.manager [None req-6b96a756-2fb5-4980-9198-42620b6852d6 - - - - - -] Cleaning up incomplete backup operations.
2026-09-01 19:01:52.154 1 INFO cinder.keymgr.migration [None req-30324768-8861-4e2a-be72-ad8b457c313c - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.