+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-05-28 07:26:28.755 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-05-28 07:26:29.022 1 INFO cinder.rpc [None req-b45b7e21-49e8-48bd-9e67-a6722cd9eed3 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-05-28 07:26:29.024 1 INFO cinder.rpc [None req-b45b7e21-49e8-48bd-9e67-a6722cd9eed3 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-05-28 07:26:29.026 1 INFO cinder.rpc [None req-b45b7e21-49e8-48bd-9e67-a6722cd9eed3 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-05-28 07:26:29.028 1 INFO cinder.rpc [None req-b45b7e21-49e8-48bd-9e67-a6722cd9eed3 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-05-28 07:26:29.030 1 INFO cinder.rpc [None req-b45b7e21-49e8-48bd-9e67-a6722cd9eed3 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-05-28 07:26:29.032 1 INFO cinder.rpc [None req-b45b7e21-49e8-48bd-9e67-a6722cd9eed3 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-05-28 07:26:29.096 1 WARNING oslo_config.cfg [None req-b45b7e21-49e8-48bd-9e67-a6722cd9eed3 - - - - - -] 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.
2026-05-28 07:26:29.097 1 WARNING oslo_config.cfg [None req-b45b7e21-49e8-48bd-9e67-a6722cd9eed3 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-05-28 07:26:29.107 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0)
2026-05-28 07:26:29.134 1 INFO cinder.backup.manager [None req-53f50dc9-d29e-4007-99b6-85de996c9811 - - - - - -] Cleaning up incomplete backup operations.
2026-05-28 07:26:29.198 1 INFO cinder.keymgr.migration [None req-5f2a2fc4-ad72-4991-ad28-b86c95abbf29 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.