+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-09-15 22:58:23.819 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-09-15 22:58:24.055 1 INFO cinder.rpc [None req-ca16f82a-1b5f-4736-b2d0-9dcd845afe9a - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-09-15 22:58:24.059 1 INFO cinder.rpc [None req-ca16f82a-1b5f-4736-b2d0-9dcd845afe9a - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version.
2026-09-15 22:58:24.065 1 INFO cinder.rpc [None req-ca16f82a-1b5f-4736-b2d0-9dcd845afe9a - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-09-15 22:58:24.068 1 INFO cinder.rpc [None req-ca16f82a-1b5f-4736-b2d0-9dcd845afe9a - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-09-15 22:58:24.071 1 INFO cinder.rpc [None req-ca16f82a-1b5f-4736-b2d0-9dcd845afe9a - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-09-15 22:58:24.076 1 INFO cinder.rpc [None req-ca16f82a-1b5f-4736-b2d0-9dcd845afe9a - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-09-15 22:58:24.136 1 WARNING oslo_config.cfg [None req-ca16f82a-1b5f-4736-b2d0-9dcd845afe9a - - - - - -] 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 22:58:24.137 1 WARNING oslo_config.cfg [None req-ca16f82a-1b5f-4736-b2d0-9dcd845afe9a - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-09-15 22:58:24.146 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.9)
2026-09-15 22:58:24.167 1 INFO cinder.backup.manager [None req-4819489b-0bec-4948-b518-fee4d2772382 - - - - - -] Cleaning up incomplete backup operations.
2026-09-15 22:58:24.314 1 INFO cinder.keymgr.migration [None req-8b6d2584-c19d-41ba-8745-0ae4957c235b - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.