When update_streams_description() fails it spawns a fiber and retries the update in the background once every 60s. If the sleeping between attempts is aborted, the respective exceptional future happens to be ignored and warned in logs. fixes: #11192 Signed-off-by: Pavel Emelyanov <xemul@scylladb.com> Message-Id: <20220802132148.20688-1-xemul@scylladb.com>