transport=TCP
http=HTTP/2
rtt=1135
min_rtt=1124
rtt_var=444
sent=5
recv=6
lost=0
retrans=0
sent_bytes=781
recv_bytes=1070
delivery_rate=1192751
cwnd=250
unsent_bytes=0
cid=b5a0c0ce759ca5f6
ts=47
x=0