+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-09-07 18:52:30.847 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-09-07 18:52:31.121 1 INFO cinder.rpc [None req-7d86cb74-fff7-460c-82cd-e290672df512 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-09-07 18:52:31.125 1 INFO cinder.rpc [None req-7d86cb74-fff7-460c-82cd-e290672df512 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-09-07 18:52:31.127 1 INFO cinder.rpc [None req-7d86cb74-fff7-460c-82cd-e290672df512 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-09-07 18:52:31.129 1 INFO cinder.rpc [None req-7d86cb74-fff7-460c-82cd-e290672df512 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-09-07 18:52:31.132 1 INFO cinder.rpc [None req-7d86cb74-fff7-460c-82cd-e290672df512 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-09-07 18:52:31.135 1 INFO cinder.rpc [None req-7d86cb74-fff7-460c-82cd-e290672df512 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-09-07 18:52:31.201 1 WARNING oslo_config.cfg [None req-7d86cb74-fff7-460c-82cd-e290672df512 - - - - - -] 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.
2026-09-07 18:52:31.202 1 WARNING oslo_config.cfg [None req-7d86cb74-fff7-460c-82cd-e290672df512 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-09-07 18:52:31.210 1 INFO cinder.service [-] Starting cinder-backup node (version 26.3.0)
2026-09-07 18:52:31.235 1 INFO cinder.backup.manager [None req-ab7765bc-631e-4029-a138-80db49238829 - - - - - -] Cleaning up incomplete backup operations.
2026-09-07 18:52:31.289 1 INFO cinder.keymgr.migration [None req-a35ba956-89c7-4377-9233-08e741f6dc97 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.