+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-04-21 17:39:31.406 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-04-21 17:39:31.683 1 INFO cinder.rpc [None req-43b991de-b183-4704-8e4f-d00fb7029119 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-04-21 17:39:31.687 1 INFO cinder.rpc [None req-43b991de-b183-4704-8e4f-d00fb7029119 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-04-21 17:39:31.691 1 INFO cinder.rpc [None req-43b991de-b183-4704-8e4f-d00fb7029119 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-04-21 17:39:31.695 1 INFO cinder.rpc [None req-43b991de-b183-4704-8e4f-d00fb7029119 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-04-21 17:39:31.698 1 INFO cinder.rpc [None req-43b991de-b183-4704-8e4f-d00fb7029119 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-04-21 17:39:31.701 1 INFO cinder.rpc [None req-43b991de-b183-4704-8e4f-d00fb7029119 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-04-21 17:39:31.763 1 WARNING oslo_config.cfg [None req-43b991de-b183-4704-8e4f-d00fb7029119 - - - - - -] 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.
2026-04-21 17:39:31.764 1 WARNING oslo_config.cfg [None req-43b991de-b183-4704-8e4f-d00fb7029119 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-04-21 17:39:31.774 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0)
2026-04-21 17:39:31.799 1 INFO cinder.backup.manager [None req-cbd04775-bcd4-48ce-a7d5-dc39832c6101 - - - - - -] Cleaning up incomplete backup operations.
2026-04-21 17:39:31.860 1 INFO cinder.keymgr.migration [None req-6feeb637-4653-4545-8d20-ebe01ded195a - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.