+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-05-12 11:52:57.405 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-05-12 11:52:57.630 1 INFO cinder.rpc [None req-940fb706-0b21-4ea3-8807-0d5cfac72c7f - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-05-12 11:52:57.632 1 INFO cinder.rpc [None req-940fb706-0b21-4ea3-8807-0d5cfac72c7f - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version.
2026-05-12 11:52:57.635 1 INFO cinder.rpc [None req-940fb706-0b21-4ea3-8807-0d5cfac72c7f - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-05-12 11:52:57.638 1 INFO cinder.rpc [None req-940fb706-0b21-4ea3-8807-0d5cfac72c7f - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-05-12 11:52:57.641 1 INFO cinder.rpc [None req-940fb706-0b21-4ea3-8807-0d5cfac72c7f - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-05-12 11:52:57.648 1 INFO cinder.rpc [None req-940fb706-0b21-4ea3-8807-0d5cfac72c7f - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-05-12 11:52:57.697 1 WARNING oslo_config.cfg [None req-940fb706-0b21-4ea3-8807-0d5cfac72c7f - - - - - -] 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.
2026-05-12 11:52:57.699 1 WARNING oslo_config.cfg [None req-940fb706-0b21-4ea3-8807-0d5cfac72c7f - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-05-12 11:52:57.712 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.3)
2026-05-12 11:52:57.729 1 INFO cinder.backup.manager [None req-03e1f0ce-92f5-4b4d-afcd-81a6865715aa - - - - - -] Cleaning up incomplete backup operations.
2026-05-12 11:52:57.859 1 INFO cinder.keymgr.migration [None req-ddc47533-c174-4c72-95f0-416e429f6355 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.