+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-09-08 16:15:26.449 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-09-08 16:15:26.679 1 INFO cinder.rpc [None req-e3d964eb-f5a1-45e9-a25d-f1e8e455697a - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-09-08 16:15:26.683 1 INFO cinder.rpc [None req-e3d964eb-f5a1-45e9-a25d-f1e8e455697a - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version.
2026-09-08 16:15:26.685 1 INFO cinder.rpc [None req-e3d964eb-f5a1-45e9-a25d-f1e8e455697a - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-09-08 16:15:26.688 1 INFO cinder.rpc [None req-e3d964eb-f5a1-45e9-a25d-f1e8e455697a - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-09-08 16:15:26.691 1 INFO cinder.rpc [None req-e3d964eb-f5a1-45e9-a25d-f1e8e455697a - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-09-08 16:15:26.695 1 INFO cinder.rpc [None req-e3d964eb-f5a1-45e9-a25d-f1e8e455697a - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-09-08 16:15:26.757 1 WARNING oslo_config.cfg [None req-e3d964eb-f5a1-45e9-a25d-f1e8e455697a - - - - - -] 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.
2026-09-08 16:15:26.758 1 WARNING oslo_config.cfg [None req-e3d964eb-f5a1-45e9-a25d-f1e8e455697a - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-09-08 16:15:26.768 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.9)
2026-09-08 16:15:26.814 1 INFO cinder.backup.manager [None req-930a24c7-45ed-4362-9623-94002a8a55e0 - - - - - -] Cleaning up incomplete backup operations.
2026-09-08 16:15:27.036 1 INFO cinder.keymgr.migration [None req-f75d911a-8a16-44ed-8221-9e3848635672 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.