+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-03-06 00:51:42.418 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-03-06 00:51:42.726 1 INFO cinder.rpc [None req-734dc37d-bdf2-4c40-b572-6533aaefeefb - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-03-06 00:51:42.730 1 INFO cinder.rpc [None req-734dc37d-bdf2-4c40-b572-6533aaefeefb - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-03-06 00:51:42.733 1 INFO cinder.rpc [None req-734dc37d-bdf2-4c40-b572-6533aaefeefb - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-03-06 00:51:42.735 1 INFO cinder.rpc [None req-734dc37d-bdf2-4c40-b572-6533aaefeefb - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-03-06 00:51:42.739 1 INFO cinder.rpc [None req-734dc37d-bdf2-4c40-b572-6533aaefeefb - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-03-06 00:51:42.742 1 INFO cinder.rpc [None req-734dc37d-bdf2-4c40-b572-6533aaefeefb - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-03-06 00:51:42.815 1 WARNING oslo_config.cfg [None req-734dc37d-bdf2-4c40-b572-6533aaefeefb - - - - - -] 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.
2026-03-06 00:51:42.816 1 WARNING oslo_config.cfg [None req-734dc37d-bdf2-4c40-b572-6533aaefeefb - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-03-06 00:51:42.824 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0)
2026-03-06 00:51:42.849 1 INFO cinder.backup.manager [None req-0ad0f125-cd47-4643-bc33-1b51839378cd - - - - - -] Cleaning up incomplete backup operations.
2026-03-06 00:51:42.921 1 INFO cinder.keymgr.migration [None req-93fbfeae-9010-496a-b4c6-d2f3265d6031 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.