msg.u.create_trace_chunk.session_id,
msg.u.create_trace_chunk.chunk_id,
(time_t) msg.u.create_trace_chunk.creation_timestamp,
chunk_override_name,
msg.u.create_trace_chunk.session_id,
msg.u.create_trace_chunk.chunk_id,
(time_t) msg.u.create_trace_chunk.creation_timestamp,
chunk_override_name,