transport=TCP
http=HTTP/2
rtt=1199
min_rtt=1171
rtt_var=459
sent=5
recv=6
lost=0
retrans=0
sent_bytes=749
recv_bytes=1043
delivery_rate=1151152
cwnd=51
unsent_bytes=0
cid=a539c85738f061dd
ts=49
x=0