//
// Copyright (c) 2018 Michael Tuexen
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
// 1. Redistributions of source code must retain the above copyright
//    notice, this list of conditions and the following disclaimer.
// 2. Redistributions in binary form must reproduce the above copyright
//    notice, this list of conditions and the following disclaimer in the
//    documentation and/or other materials provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
// OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
// HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
// LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
// OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
// SUCH DAMAGE.
//

--ip_version=ipv4
--mtu=576

 0.00 `sysctl -w net.inet.tcp.hostcache.purgenow=1`
+0.00 `sysctl -w net.inet.tcp.syncookies_only=0`
+0.00 `sysctl -w net.inet.tcp.syncookies=1`
+0.00 `sysctl -w net.inet.tcp.rfc1323=1`
+0.00 `sysctl -w net.inet.tcp.sack.enable=1`
+0.00 `sysctl -w net.inet.tcp.ecn.enable=2`
// Ensure we have a limit of 83 segments and only a single CPU
+0.00 `sysctl -n net.inet.tcp.reass.maxsegments | grep ^83$`
+0.00 `sysctl -n hw.ncpu | grep ^1$`
// Create a listening TCP socket
+0.00 socket(..., SOCK_STREAM, IPPROTO_TCP) = 3
+0.00 setsockopt(3, SOL_SOCKET, SO_REUSEADDR, [1], 4) = 0
+0.00 bind(3, ..., ...) = 0
+0.00 listen(3, 2) = 0
// Establish the connection
+0.10 < S    0:0(0)         win 65535 <mss 536,sackOK,eol,eol>
+0.00 > S.   0:0(0) ack   1 win 65535 <mss 536,sackOK,eol,eol>
+0.10 <  .   1:1(0) ack   1 win 65535
+0.00 accept(3, ..., ...) = 4
+0.00 close(3) = 0
// Inject packets
+0.00 <  . 100:101(1)  ack   1 win 65535
+0.00 >  .   1:1(0)    ack   1 win 65535 <nop,nop,sack 100:101>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^1$`
+0.10 <  . 110:111(1)  ack   1 win 65535
+0.00 >  .   1:1(0)    ack   1 win 65535 <nop,nop,sack 110:111 100:101>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^2$`
+0.10 <  . 120:121(1)  ack   1 win 65535
+0.00 >  .   1:1(0)    ack   1 win 65535 <nop,nop,sack 120:121 110:111 100:101>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^3$`
+0.10 <  . 130:131(1)  ack   1 win 65535
+0.00 >  .   1:1(0)    ack   1 win 65535 <nop,nop,sack 130:131 120:121 110:111 100:101>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^4$`
+0.10 <  . 140:141(1)  ack   1 win 65535
+0.00 >  .   1:1(0)    ack   1 win 65535 <nop,nop,sack 140:141 130:131 120:121 110:111>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^5$`
+0.10 <  . 150:151(1)  ack   1 win 65535
+0.00 >  .   1:1(0)    ack   1 win 65535 <nop,nop,sack 150:151 140:141 130:131 120:121>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^6$`
+0.10 <  . 160:161(1)  ack   1 win 65535
+0.00 >  .   1:1(0)    ack   1 win 65535 <nop,nop,sack 160:161 150:151 140:141 130:131>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^7$`
+0.10 <  . 170:171(1)  ack   1 win 65535
+0.00 >  .   1:1(0)    ack   1 win 65535 <nop,nop,sack 170:171 160:161 150:151 140:141>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^8$`
+0.10 <  . 180:181(1)  ack   1 win 65535
+0.00 >  .   1:1(0)    ack   1 win 65535 <nop,nop,sack 180:181 170:171 160:161 150:151>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^9$`
+0.10 <  . 190:191(1)  ack   1 win 65535
+0.00 >  .   1:1(0)    ack   1 win 65535 <nop,nop,sack 190:191 180:181 170:171 160:161>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^10$`
+0.10 <  . 200:201(1)  ack   1 win 65535
+0.00 >  .   1:1(0)    ack   1 win 65535 <nop,nop,sack 200:201 190:191 180:181 170:171>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^11$`
+0.10 <  . 210:211(1)  ack   1 win 65535
+0.00 >  .   1:1(0)    ack   1 win 65535 <nop,nop,sack 210:211 200:201 190:191 180:181>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^12$`
+0.10 <  . 220:221(1)  ack   1 win 65535
+0.00 >  .   1:1(0)    ack   1 win 65535 <nop,nop,sack 220:221 210:211 200:201 190:191>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^13$`
+0.10 <  . 230:231(1)  ack   1 win 65535
+0.00 >  .   1:1(0)    ack   1 win 65535 <nop,nop,sack 230:231 220:221 210:211 200:201>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^14$`
+0.10 <  . 240:241(1)  ack   1 win 65535
+0.00 >  .   1:1(0)    ack   1 win 65535 <nop,nop,sack 240:241 230:231 220:221 210:211>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^15$`
+0.10 <  . 250:251(1)  ack   1 win 65535
+0.00 > .   1:1(0)     ack   1 win 65535 <nop,nop,sack 250:251 240:241 230:231 220:221>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^16$`
+0.10 <  . 260:261(1)  ack   1 win 65535
+0.00 >  .   1:1(0)    ack   1 win 65535 <nop,nop,sack 260:261 250:251 240:241 230:231>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^17$`
+0.10 <  . 270:271(1)  ack   1 win 65535
+0.00 >  .   1:1(0)    ack   1 win 65535 <nop,nop,sack 270:271 260:261 250:251 240:241>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^18$`
+0.10 <  . 280:281(1)  ack   1 win 65535
+0.00 >  .   1:1(0)    ack   1 win 65535 <nop,nop,sack 280:281 270:271 260:261 250:251>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^19$`
+0.10 <  . 290:291(1)  ack   1 win 65535
+0.00 >  .   1:1(0)    ack   1 win 65535 <nop,nop,sack 290:291 280:281 270:271 260:261>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^20$`
+0.10 <  . 300:301(1)  ack   1 win 65535
+0.00 >  .   1:1(0)    ack   1 win 65535 <nop,nop,sack 300:301 290:291 280:281 270:271>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^21$`
+0.10 <  . 310:311(1)  ack   1 win 65535
+0.00 >  .   1:1(0)    ack   1 win 65535 <nop,nop,sack 310:311 300:301 290:291 280:281>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^22$`
+0.10 <  . 320:321(1)  ack   1 win 65535
+0.00 >  .   1:1(0)    ack   1 win 65535 <nop,nop,sack 320:321 310:311 300:301 290:291>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^23$`
+0.10 <  . 330:331(1)  ack   1 win 65535
+0.00 >  .   1:1(0)    ack   1 win 65535 <nop,nop,sack 330:331 320:321 310:311 300:301>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^24$`
+0.10 <  . 340:341(1)  ack   1 win 65535
+0.00 >  .   1:1(0)    ack   1 win 65535 <nop,nop,sack 340:341 330:331 320:321 310:311>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^25$`
+0.10 <  . 350:351(1)  ack   1 win 65535
+0.00 >  .   1:1(0)    ack   1 win 65535 <nop,nop,sack 350:351 340:341 330:331 320:321>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^26$`
+0.10 <  . 360:361(1)  ack   1 win 65535
+0.00 >  .   1:1(0)    ack   1 win 65535 <nop,nop,sack 360:361 350:351 340:341 330:331>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^27$`
+0.10 <  . 370:371(1)  ack   1 win 65535
+0.00 >  .   1:1(0)    ack   1 win 65535 <nop,nop,sack 370:371 360:361 350:351 340:341>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^28$`
+0.10 <  . 380:381(1)  ack   1 win 65535
+0.00 >  .   1:1(0)    ack   1 win 65535 <nop,nop,sack 380:381 370:371 360:361 350:351>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^29$`
+0.10 <  . 390:391(1)  ack   1 win 65535
+0.00 >  .   1:1(0)    ack   1 win 65535 <nop,nop,sack 390:391 380:381 370:371 360:361>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^30$`
+0.10 <  . 400:401(1)  ack   1 win 65535
+0.00 >  .   1:1(0)    ack   1 win 65535 <nop,nop,sack 400:401 390:391 380:381 370:371>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^31$`
+0.10 <  . 410:411(1)  ack   1 win 65535
+0.00 >  .   1:1(0)    ack   1 win 65535 <nop,nop,sack 410:411 400:401 390:391 380:381>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^32$`
+0.10 <  . 420:421(1)  ack   1 win 65535
+0.00 >  .   1:1(0)    ack   1 win 65535 <nop,nop,sack 420:421 410:411 400:401 390:391>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^33$`
+0.10 <  . 430:431(1)  ack   1 win 65535
+0.00 >  .   1:1(0)    ack   1 win 65535 <nop,nop,sack 430:431 420:421 410:411 400:401>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^34$`
+0.10 <  . 440:441(1)  ack   1 win 65535
+0.00 >  .   1:1(0)    ack   1 win 65535 <nop,nop,sack 440:441 430:431 420:421 410:411>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^35$`
+0.10 <  . 450:451(1)  ack   1 win 65535
+0.00 >  .   1:1(0)    ack   1 win 65535 <nop,nop,sack 450:451 440:441 430:431 420:421>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^36$`
+0.10 <  . 460:461(1)  ack   1 win 65535
+0.00 >  .   1:1(0)    ack   1 win 65535 <nop,nop,sack 460:461 450:451 440:441 430:431>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^37$`
+0.10 <  . 470:471(1)  ack   1 win 65535
+0.00 >  .   1:1(0)    ack   1 win 65535 <nop,nop,sack 470:471 460:461 450:451 440:441>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^38$`
+0.10 <  . 480:481(1)  ack   1 win 65535
+0.00 >  .   1:1(0)    ack   1 win 65535 <nop,nop,sack 480:481 470:471 460:461 450:451>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^39$`
+0.10 <  . 490:491(1)  ack   1 win 65535
+0.00 >  .   1:1(0)    ack   1 win 65535 <nop,nop,sack 490:491 480:481 470:471 460:461>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^40$`
+0.10 <  . 500:501(1)  ack   1 win 65535
+0.00 >  .   1:1(0)    ack   1 win 65535 <nop,nop,sack 500:501 490:491 480:481 470:471>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^41$`
+0.10 <  . 510:511(1)  ack   1 win 65535
+0.00 >  .   1:1(0)    ack   1 win 65535 <nop,nop,sack 510:511 500:501 490:491 480:481>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^42$`
+0.10 <  . 520:521(1)  ack   1 win 65535
+0.00 >  .   1:1(0)    ack   1 win 65535 <nop,nop,sack 520:521 510:511 500:501 490:491>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^43$`
+0.10 <  . 530:531(1)  ack   1 win 65535
+0.00 >  .   1:1(0)    ack   1 win 65535 <nop,nop,sack 530:531 520:521 510:511 500:501>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^44$`
+0.10 <  . 540:541(1)  ack   1 win 65535
+0.00 >  .   1:1(0)    ack   1 win 65535 <nop,nop,sack 540:541 530:531 520:521 510:511>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^45$`
+0.10 <  . 550:551(1)  ack   1 win 65535
+0.00 >  .   1:1(0)    ack   1 win 65535 <nop,nop,sack 550:551 540:541 530:531 520:521>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^46$`
+0.10 <  . 560:561(1)  ack   1 win 65535
+0.00 >  .   1:1(0)    ack   1 win 65535 <nop,nop,sack 560:561 550:551 540:541 530:531>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^47$`
+0.10 <  . 570:571(1)  ack   1 win 65535
+0.00 >  .   1:1(0)    ack   1 win 65535 <nop,nop,sack 570:571 560:561 550:551 540:541>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^48$`
+0.10 <  . 580:581(1)  ack   1 win 65535
+0.00 >  .   1:1(0)    ack   1 win 65535 <nop,nop,sack 580:581 570:571 560:561 550:551>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^49$`
+0.10 <  . 590:591(1)  ack   1 win 65535
+0.00 >  .   1:1(0)    ack   1 win 65535 <nop,nop,sack 590:591 580:581 570:571 560:561>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^50$`
+0.10 <  . 600:601(1)  ack   1 win 65535
+0.00 >  .   1:1(0)    ack   1 win 65535 <nop,nop,sack 600:601 590:591 580:581 570:571>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^51$`
+0.10 <  . 610:611(1)  ack   1 win 65535
+0.00 >  .   1:1(0)    ack   1 win 65535 <nop,nop,sack 610:611 600:601 590:591 580:581>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^52$`
+0.10 <  . 620:621(1)  ack   1 win 65535
+0.00 >  .   1:1(0)    ack   1 win 65535 <nop,nop,sack 620:621 610:611 600:601 590:591>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^53$`
+0.10 <  . 630:631(1)  ack   1 win 65535
+0.00 >  .   1:1(0)    ack   1 win 65535 <nop,nop,sack 630:631 620:621 610:611 600:601>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^54$`
+0.10 <  . 640:641(1)  ack   1 win 65535
+0.00 >  .   1:1(0)    ack   1 win 65535 <nop,nop,sack 640:641 630:631 620:621 610:611>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^55$`
+0.10 <  . 650:651(1)  ack   1 win 65535
+0.00 >  .   1:1(0)    ack   1 win 65535 <nop,nop,sack 650:651 640:641 630:631 620:621>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^56$`
+0.10 <  . 660:661(1)  ack   1 win 65535
+0.00 >  .   1:1(0)    ack   1 win 65535 <nop,nop,sack 660:661 650:651 640:641 630:631>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^57$`
+0.10 <  . 670:671(1)  ack   1 win 65535
+0.00 >  .   1:1(0)    ack   1 win 65535 <nop,nop,sack 670:671 660:661 650:651 640:641>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^58$`
+0.10 <  . 680:681(1)  ack   1 win 65535
+0.00 >  .   1:1(0)    ack   1 win 65535 <nop,nop,sack 680:681 670:671 660:661 650:651>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^59$`
+0.10 <  . 690:691(1)  ack   1 win 65535
+0.00 >  .   1:1(0)    ack   1 win 65535 <nop,nop,sack 690:691 680:681 670:671 660:661>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^60$`
+0.10 <  . 700:701(1)  ack   1 win 65535
+0.00 >  .   1:1(0)    ack   1 win 65535 <nop,nop,sack 700:701 690:691 680:681 670:671>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^61$`
+0.10 <  . 710:711(1)  ack   1 win 65535
+0.00 >  .   1:1(0)    ack   1 win 65535 <nop,nop,sack 710:711 700:701 690:691 680:681>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^62$`
+0.10 <  . 720:721(1)  ack   1 win 65535
+0.00 >  .   1:1(0)    ack   1 win 65535 <nop,nop,sack 720:721 710:711 700:701 690:691>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^63$`
+0.10 <  . 730:731(1)  ack   1 win 65535
+0.00 >  .   1:1(0)    ack   1 win 65535 <nop,nop,sack 730:731 720:721 710:711 700:701>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^64$`
+0.10 <  . 740:741(1)  ack   1 win 65535
+0.00 >  .   1:1(0)    ack   1 win 65535 <nop,nop,sack 740:741 730:731 720:721 710:711>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^65$`
+0.10 <  . 750:751(1)  ack   1 win 65535
+0.00 >  .   1:1(0)    ack   1 win 65535 <nop,nop,sack 750:751 740:741 730:731 720:721>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^66$`
+0.10 <  . 760:761(1)  ack   1 win 65535
+0.00 >  .   1:1(0)    ack   1 win 65535 <nop,nop,sack 760:761 750:751 740:741 730:731>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^67$`
+0.10 <  . 770:771(1)  ack   1 win 65535
+0.00 >  .   1:1(0)    ack   1 win 65535 <nop,nop,sack 770:771 760:761 750:751 740:741>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^68$`
+0.10 <  . 780:781(1)  ack   1 win 65535
+0.00 >  .   1:1(0)    ack   1 win 65535 <nop,nop,sack 780:781 770:771 760:761 750:751>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^69$`
+0.10 <  . 790:791(1)  ack   1 win 65535
+0.00 >  .   1:1(0)    ack   1 win 65535 <nop,nop,sack 790:791 780:781 770:771 760:761>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^70$`
+0.10 <  . 800:801(1)  ack   1 win 65535
+0.00 >  .   1:1(0)    ack   1 win 65535 <nop,nop,sack 800:801 790:791 780:781 770:771>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^71$`
+0.10 <  . 810:811(1)  ack   1 win 65535
+0.00 >  .   1:1(0)    ack   1 win 65535 <nop,nop,sack 810:811 800:801 790:791 780:781>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^72$`
+0.10 <  . 820:821(1)  ack   1 win 65535
+0.00 >  .   1:1(0)    ack   1 win 65535 <nop,nop,sack 820:821 810:811 800:801 790:791>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^73$`
+0.10 <  . 830:831(1)  ack   1 win 65535
+0.00 >  .   1:1(0)    ack   1 win 65535 <nop,nop,sack 830:831 820:821 810:811 800:801>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^74$`
+0.10 <  . 840:841(1)  ack   1 win 65535
+0.00 >  .   1:1(0)    ack   1 win 65535 <nop,nop,sack 840:841 830:831 820:821 810:811>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^75$`
+0.10 <  . 850:851(1)  ack   1 win 65535
+0.00 >  .   1:1(0)    ack   1 win 65535 <nop,nop,sack 850:851 840:841 830:831 820:821>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^76$`
+0.10 <  . 860:861(1)  ack   1 win 65535
+0.00 >  .   1:1(0)    ack   1 win 65535 <nop,nop,sack 860:861 850:851 840:841 830:831>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^77$`
+0.10 <  . 870:871(1)  ack   1 win 65535
+0.00 >  .   1:1(0)    ack   1 win 65535 <nop,nop,sack 870:871 860:861 850:851 840:841>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^78$`
+0.10 <  . 880:881(1)  ack   1 win 65535
+0.00 >  .   1:1(0)    ack   1 win 65535 <nop,nop,sack 880:881 870:871 860:861 850:851>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^79$`
+0.10 <  . 890:891(1)  ack   1 win 65535
+0.00 >  .   1:1(0)    ack   1 win 65535 <nop,nop,sack 890:891 880:881 870:871 860:861>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^80$`
+0.10 <  . 900:901(1)  ack   1 win 65535
+0.00 >  .   1:1(0)    ack   1 win 65535 <nop,nop,sack 900:901 890:891 880:881 870:871>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^81$`
+0.10 <  . 910:911(1)  ack   1 win 65535
+0.00 >  .   1:1(0)    ack   1 win 65535 <nop,nop,sack 910:911 900:901 890:891 880:881>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^82$`
+0.10 <  . 920:921(1)  ack   1 win 65535
+0.00 >  .   1:1(0)    ack   1 win 65535 <nop,nop,sack 920:921 910:911 900:901 890:891>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^83$`
+0.10 <  . 930:931(1)  ack   1 win 65535
+0.00 >  .   1:1(0)    ack   1 win 65535 <nop,nop,sack 920:921 910:911 900:901 890:891>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^83$`
+0.10 <  .   1:51(50)  ack   1 win 65535
+0.00 >  .   1:1(0)    ack  51 win 65535 <nop,nop,sack 920:921 910:911 900:901 890:891>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^83$`
+0.10 recv(4, ..., 1000, MSG_PEEK) = 50
+0.10 <  .  51:100(49) ack   1 win 65535
+0.00 >  .   1:1(0)    ack 101 win 65535 <nop,nop,sack 920:921 910:911 900:901 890:891>
+0.00 `sysctl -n net.inet.tcp.reass.cursegments | grep ^82$`
+0.10 recv(4, ..., 1000, MSG_PEEK) = 100
// Tear it down.
+0.10 setsockopt(4, SOL_SOCKET, SO_LINGER, {onoff=1, linger=0}, 8) = 0
+0.00 close(4) = 0
+0.00 > R.   1:1(0)    ack 101