+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-04-22 18:59:15.390 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-04-22 18:59:15.681 1 INFO cinder.rpc [None req-666cfcaf-68ef-41b4-80af-2928ea89204a - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-04-22 18:59:15.684 1 INFO cinder.rpc [None req-666cfcaf-68ef-41b4-80af-2928ea89204a - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-04-22 18:59:15.686 1 INFO cinder.rpc [None req-666cfcaf-68ef-41b4-80af-2928ea89204a - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-04-22 18:59:15.688 1 INFO cinder.rpc [None req-666cfcaf-68ef-41b4-80af-2928ea89204a - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-04-22 18:59:15.691 1 INFO cinder.rpc [None req-666cfcaf-68ef-41b4-80af-2928ea89204a - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-04-22 18:59:15.694 1 INFO cinder.rpc [None req-666cfcaf-68ef-41b4-80af-2928ea89204a - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-04-22 18:59:15.767 1 WARNING oslo_config.cfg [None req-666cfcaf-68ef-41b4-80af-2928ea89204a - - - - - -] 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.
2026-04-22 18:59:15.768 1 WARNING oslo_config.cfg [None req-666cfcaf-68ef-41b4-80af-2928ea89204a - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-04-22 18:59:15.777 1 INFO cinder.service [-] Starting cinder-backup node (version 27.0.1)
2026-04-22 18:59:15.800 1 INFO cinder.backup.manager [None req-4112b904-80a7-4e89-b59a-477b405df0e0 - - - - - -] Cleaning up incomplete backup operations.
2026-04-22 18:59:15.858 1 INFO cinder.keymgr.migration [None req-360406c9-ae36-4edc-b6b1-9a1006eee5e9 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.