transport=TCP
http=HTTP/2
rtt=2007
min_rtt=1974
rtt_var=764
sent=4
recv=5
lost=0
retrans=0
sent_bytes=3368
recv_bytes=639
delivery_rate=1467071
cwnd=52
unsent_bytes=0
cid=6c2dd48687a82dbc
ts=10
x=0