+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-08-19 20:57:36.289 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-08-19 20:57:36.568 1 INFO cinder.rpc [None req-79eb6dd0-cb84-4820-9959-b2d8f073c90e - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-08-19 20:57:36.572 1 INFO cinder.rpc [None req-79eb6dd0-cb84-4820-9959-b2d8f073c90e - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-08-19 20:57:36.575 1 INFO cinder.rpc [None req-79eb6dd0-cb84-4820-9959-b2d8f073c90e - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-08-19 20:57:36.578 1 INFO cinder.rpc [None req-79eb6dd0-cb84-4820-9959-b2d8f073c90e - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-08-19 20:57:36.580 1 INFO cinder.rpc [None req-79eb6dd0-cb84-4820-9959-b2d8f073c90e - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-08-19 20:57:36.590 1 INFO cinder.rpc [None req-79eb6dd0-cb84-4820-9959-b2d8f073c90e - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-08-19 20:57:36.681 1 WARNING oslo_config.cfg [None req-79eb6dd0-cb84-4820-9959-b2d8f073c90e - - - - - -] 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 20:57:36.682 1 WARNING oslo_config.cfg [None req-79eb6dd0-cb84-4820-9959-b2d8f073c90e - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-08-19 20:57:36.690 1 INFO cinder.service [-] Starting cinder-backup node (version 26.3.0)
2026-08-19 20:57:36.718 1 INFO cinder.backup.manager [None req-adc8ce9e-152f-4e45-814a-cbe47be5dd1c - - - - - -] Cleaning up incomplete backup operations.
2026-08-19 20:57:36.762 1 INFO cinder.keymgr.migration [None req-fa561c5e-38a0-4b18-864c-f79b1a6964e1 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.