6 packet.header := struct {
7 integer { size = 32; align = 8; signed = false; encoding = none; base = decimal; byte_order = le; } stream_id;
12 * Some events explicitly define stream_id = 0, some define stream_id = 1, and
13 * others don't specify a stream_id at all.
14 * This is not valid: if there are events not specifying a stream, then only
15 * stream_id = 0 is allowed.