+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-07-17 16:27:17.080 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-07-17 16:27:17.360 1 INFO cinder.rpc [None req-dc0636f6-a9dc-4394-9f74-437ff4472ccb - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-07-17 16:27:17.362 1 INFO cinder.rpc [None req-dc0636f6-a9dc-4394-9f74-437ff4472ccb - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-07-17 16:27:17.365 1 INFO cinder.rpc [None req-dc0636f6-a9dc-4394-9f74-437ff4472ccb - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-07-17 16:27:17.368 1 INFO cinder.rpc [None req-dc0636f6-a9dc-4394-9f74-437ff4472ccb - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-07-17 16:27:17.371 1 INFO cinder.rpc [None req-dc0636f6-a9dc-4394-9f74-437ff4472ccb - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-07-17 16:27:17.374 1 INFO cinder.rpc [None req-dc0636f6-a9dc-4394-9f74-437ff4472ccb - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-07-17 16:27:17.443 1 WARNING oslo_config.cfg [None req-dc0636f6-a9dc-4394-9f74-437ff4472ccb - - - - - -] 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.
2026-07-17 16:27:17.444 1 WARNING oslo_config.cfg [None req-dc0636f6-a9dc-4394-9f74-437ff4472ccb - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-07-17 16:27:17.453 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0)
2026-07-17 16:27:17.483 1 INFO cinder.backup.manager [None req-3081cbe6-7858-4e41-8fdc-1b66d1b1ede5 - - - - - -] Cleaning up incomplete backup operations.
2026-07-17 16:27:17.541 1 INFO cinder.keymgr.migration [None req-9b62349d-5bd3-49b7-ad0d-d5dfa11eb232 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.