As seen in mv_populating_from_existing_data_during_node_decommission_test dtest: ``` ERROR 2021-02-11 06:01:32,804 [shard 0] stream_session - failed to log message: fmt::v7::format_error (argument not found) ``` Fixes #8067 Signed-off-by: Benny Halevy <bhalevy@scylladb.com> Message-Id: <20210211100158.543952-1-bhalevy@scylladb.com>