+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-07-21 21:27:37.831 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-07-21 21:27:38.123 1 INFO cinder.rpc [None req-0e0284f1-5ee4-4f45-828c-5806e1d6da8a - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-07-21 21:27:38.127 1 INFO cinder.rpc [None req-0e0284f1-5ee4-4f45-828c-5806e1d6da8a - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-07-21 21:27:38.131 1 INFO cinder.rpc [None req-0e0284f1-5ee4-4f45-828c-5806e1d6da8a - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-07-21 21:27:38.133 1 INFO cinder.rpc [None req-0e0284f1-5ee4-4f45-828c-5806e1d6da8a - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-07-21 21:27:38.137 1 INFO cinder.rpc [None req-0e0284f1-5ee4-4f45-828c-5806e1d6da8a - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-07-21 21:27:38.140 1 INFO cinder.rpc [None req-0e0284f1-5ee4-4f45-828c-5806e1d6da8a - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-07-21 21:27:38.209 1 WARNING oslo_config.cfg [None req-0e0284f1-5ee4-4f45-828c-5806e1d6da8a - - - - - -] 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.
2026-07-21 21:27:38.210 1 WARNING oslo_config.cfg [None req-0e0284f1-5ee4-4f45-828c-5806e1d6da8a - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-07-21 21:27:38.222 1 INFO cinder.service [-] Starting cinder-backup node (version 26.3.0)
2026-07-21 21:27:38.247 1 INFO cinder.backup.manager [None req-89cbf1c6-6944-4c53-b439-d12240fa75bb - - - - - -] Cleaning up incomplete backup operations.
2026-07-21 21:27:38.287 1 INFO cinder.keymgr.migration [None req-6f84811d-750a-4371-9ed2-b082a2500ef7 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.