+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-04-07 00:31:57.122 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-04-07 00:31:57.379 1 INFO cinder.rpc [None req-3a4b02a1-494d-462b-b83a-012a026811f7 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-04-07 00:31:57.384 1 INFO cinder.rpc [None req-3a4b02a1-494d-462b-b83a-012a026811f7 - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version.
2026-04-07 00:31:57.386 1 INFO cinder.rpc [None req-3a4b02a1-494d-462b-b83a-012a026811f7 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-04-07 00:31:57.389 1 INFO cinder.rpc [None req-3a4b02a1-494d-462b-b83a-012a026811f7 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-04-07 00:31:57.394 1 INFO cinder.rpc [None req-3a4b02a1-494d-462b-b83a-012a026811f7 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-04-07 00:31:57.399 1 INFO cinder.rpc [None req-3a4b02a1-494d-462b-b83a-012a026811f7 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-04-07 00:31:57.462 1 WARNING oslo_config.cfg [None req-3a4b02a1-494d-462b-b83a-012a026811f7 - - - - - -] 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.
2026-04-07 00:31:57.463 1 WARNING oslo_config.cfg [None req-3a4b02a1-494d-462b-b83a-012a026811f7 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-04-07 00:31:57.478 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.3)
2026-04-07 00:31:57.498 1 INFO cinder.backup.manager [None req-1287bfbe-89dc-4129-9eb0-d5b03203e6b8 - - - - - -] Cleaning up incomplete backup operations.
2026-04-07 00:31:57.683 1 INFO cinder.keymgr.migration [None req-f5d72b99-2d1b-4885-beba-9bd1b065bc00 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.