// Test a large ACK (at ACE field max delta)

`./defaults.sh
sysctl -q net.ipv4.tcp_ecn=3
sysctl -q net.ipv4.tcp_ecn_option=0
`

    0 socket(..., SOCK_STREAM, IPPROTO_TCP) = 3
   +0 setsockopt(3, SOL_SOCKET, SO_REUSEADDR, [1], 4) = 0
   +0 bind(3, ..., ...) = 0
   +0 listen(3, 1) = 0

   +0 < SEWA 0:0(0) win 32792 <mss 1460,nop,nop,sackOK,nop,wscale 8>
+.002 > SW. 0:0(0) ack 1 <mss 1460,nop,nop,sackOK,nop,wscale 8>
+0.05 < [ect0] W. 1:1(0) ack 1 win 264
+.002 accept(3, ..., ...) = 4

+0.01 %{ assert tcpi_delivered_ce == 0, tcpi_delivered_ce }%

+0.01 write(4, ..., 14600) = 14600
+.002 > [ect0] P.5 1:14601(14600) ack 1
  // Fake CE
+0.05 < [ect0] .4 1:1(0) ack 14601 win 264

+0.01 %{ assert tcpi_delivered_ce == 7, tcpi_delivered_ce }%