+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-09-15 11:56:54.035 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-09-15 11:56:54.260 1 INFO cinder.rpc [None req-37c37eef-6dcd-4e31-92eb-fd263eefa842 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-09-15 11:56:54.263 1 INFO cinder.rpc [None req-37c37eef-6dcd-4e31-92eb-fd263eefa842 - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version.
2026-09-15 11:56:54.267 1 INFO cinder.rpc [None req-37c37eef-6dcd-4e31-92eb-fd263eefa842 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-09-15 11:56:54.270 1 INFO cinder.rpc [None req-37c37eef-6dcd-4e31-92eb-fd263eefa842 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-09-15 11:56:54.273 1 INFO cinder.rpc [None req-37c37eef-6dcd-4e31-92eb-fd263eefa842 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-09-15 11:56:54.276 1 INFO cinder.rpc [None req-37c37eef-6dcd-4e31-92eb-fd263eefa842 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-09-15 11:56:54.327 1 WARNING oslo_config.cfg [None req-37c37eef-6dcd-4e31-92eb-fd263eefa842 - - - - - -] 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.
2026-09-15 11:56:54.328 1 WARNING oslo_config.cfg [None req-37c37eef-6dcd-4e31-92eb-fd263eefa842 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-09-15 11:56:54.337 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.9)
2026-09-15 11:56:54.355 1 INFO cinder.backup.manager [None req-665ff3e2-4fb5-4b91-9900-94bed7a3cac0 - - - - - -] Cleaning up incomplete backup operations.
2026-09-15 11:56:54.531 1 INFO cinder.keymgr.migration [None req-69deb950-88cb-4fe0-8684-8cbdc0d7ead0 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.