+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-09-19 06:37:28.783 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-09-19 06:37:29.048 1 INFO cinder.rpc [None req-81d1baff-234c-4040-8df0-c2ee173d7ae5 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-09-19 06:37:29.051 1 INFO cinder.rpc [None req-81d1baff-234c-4040-8df0-c2ee173d7ae5 - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version.
2026-09-19 06:37:29.054 1 INFO cinder.rpc [None req-81d1baff-234c-4040-8df0-c2ee173d7ae5 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-09-19 06:37:29.056 1 INFO cinder.rpc [None req-81d1baff-234c-4040-8df0-c2ee173d7ae5 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-09-19 06:37:29.060 1 INFO cinder.rpc [None req-81d1baff-234c-4040-8df0-c2ee173d7ae5 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-09-19 06:37:29.064 1 INFO cinder.rpc [None req-81d1baff-234c-4040-8df0-c2ee173d7ae5 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-09-19 06:37:29.124 1 WARNING oslo_config.cfg [None req-81d1baff-234c-4040-8df0-c2ee173d7ae5 - - - - - -] 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.
2026-09-19 06:37:29.125 1 WARNING oslo_config.cfg [None req-81d1baff-234c-4040-8df0-c2ee173d7ae5 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-09-19 06:37:29.136 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.2)
2026-09-19 06:37:29.155 1 INFO cinder.backup.manager [None req-db82fed1-a597-403a-9c17-6b6569aec3c3 - - - - - -] Cleaning up incomplete backup operations.
2026-09-19 06:37:29.316 1 INFO cinder.keymgr.migration [None req-77c9d374-572f-4fe9-afa2-a57e196613a8 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.