+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-06-04 06:55:21.641 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-06-04 06:55:21.930 1 INFO cinder.rpc [None req-4e7cc7fd-a5ac-407d-84af-0b7a0f1f4b1a - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-06-04 06:55:21.933 1 INFO cinder.rpc [None req-4e7cc7fd-a5ac-407d-84af-0b7a0f1f4b1a - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-06-04 06:55:21.935 1 INFO cinder.rpc [None req-4e7cc7fd-a5ac-407d-84af-0b7a0f1f4b1a - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-06-04 06:55:21.937 1 INFO cinder.rpc [None req-4e7cc7fd-a5ac-407d-84af-0b7a0f1f4b1a - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-06-04 06:55:21.939 1 INFO cinder.rpc [None req-4e7cc7fd-a5ac-407d-84af-0b7a0f1f4b1a - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-06-04 06:55:21.941 1 INFO cinder.rpc [None req-4e7cc7fd-a5ac-407d-84af-0b7a0f1f4b1a - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-06-04 06:55:22.001 1 WARNING oslo_config.cfg [None req-4e7cc7fd-a5ac-407d-84af-0b7a0f1f4b1a - - - - - -] 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.
2026-06-04 06:55:22.002 1 WARNING oslo_config.cfg [None req-4e7cc7fd-a5ac-407d-84af-0b7a0f1f4b1a - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-06-04 06:55:22.013 1 INFO cinder.service [-] Starting cinder-backup node (version 27.0.1)
2026-06-04 06:55:22.038 1 INFO cinder.backup.manager [None req-ab11d085-fe56-408d-90c6-233e1de7bb67 - - - - - -] Cleaning up incomplete backup operations.
2026-06-04 06:55:22.099 1 INFO cinder.keymgr.migration [None req-fa00e1c2-1ad9-404f-b5ea-6d006512df8c - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.