The same packets, as dumped on each end of a slow connection:

send side:
20:08:07.428315 IP6 ysv.443 > bme.65366: Flags [.], seq 3011386337:3011387765, ack 3995797243, win 32, options [nop,nop,TS val 1854961080 ecr 1928534291], length 1428
20:08:07.428319 IP6 bme.65366 > ysv.443: Flags [.], ack 3011370629, win 16384, options [nop,nop,TS val 1928534291 ecr 1854960781], length 0
20:08:07.428333 IP6 ysv.443 > bme.65366: Flags [.], seq 3011370629:3011372057, ack 3995797243, win 32, options [nop,nop,TS val 1854961080 ecr 1928534291], length 1428
20:08:07.428335 IP6 bme.65366 > ysv.443: Flags [.], ack 3011370629, win 16384, options [nop,nop,TS val 1928534291 ecr 1854960781], length 0
20:08:07.428618 IP6 bme.65366 > ysv.443: Flags [.], ack 3011370629, win 16384, options [nop,nop,TS val 1928534291 ecr 1854960781], length 0
20:08:07.428632 IP6 bme.65366 > ysv.443: Flags [.], ack 3011370629, win 16384, options [nop,nop,TS val 1928534291 ecr 1854960781], length 0
20:08:07.428639 IP6 bme.65366 > ysv.443: Flags [.], ack 3011370629, win 16384, options [nop,nop,TS val 1928534291 ecr 1854960781], length 0
20:08:07.527599 IP6 bme.65366 > ysv.443: Flags [.], ack 3011370629, win 16384, options [nop,nop,TS val 1928534391 ecr 1854960781], length 0
20:08:07.577301 IP6 bme.65366 > ysv.443: Flags [.], ack 3011370629, win 16384, options [nop,nop,TS val 1928534440 ecr 1854960781], length 0
20:08:07.577543 IP6 bme.65366 > ysv.443: Flags [.], ack 3011387765, win 16375, options [nop,nop,TS val 1928534440 ecr 1854961080], length 0
20:08:07.577577 IP6 ysv.443 > bme.65366: Flags [.], seq 3011387765:3011389193, ack 3995797243, win 32, options [nop,nop,TS val 1854961229 ecr 1928534440], length 1428
20:08:07.826179 IP6 bme.65366 > ysv.443: Flags [.], ack 3011389193, win 16384, options [nop,nop,TS val 1928534689 ecr 1854961229], length 0
20:08:07.826208 IP6 ysv.443 > bme.65366: Flags [.], seq 3011389193:3011390621, ack 3995797243, win 32, options [nop,nop,TS val 1854961478 ecr 1928534689], length 1428
20:08:07.826218 IP6 ysv.443 > bme.65366: Flags [.], seq 3011390621:3011392049, ack 3995797243, win 32, options [nop,nop,TS val 1854961478 ecr 1928534689], length 1428
20:08:07.975582 IP6 bme.65366 > ysv.443: Flags [.], ack 3011392049, win 16382, options [nop,nop,TS val 1928534838 ecr 1854961478], length 0
20:08:07.975615 IP6 ysv.443 > bme.65366: Flags [.], seq 3011392049:3011393477, ack 3995797243, win 32, options [nop,nop,TS val 1854961627 ecr 1928534838], length 1428
20:08:07.975625 IP6 ysv.443 > bme.65366: Flags [.], seq 3011393477:3011394905, ack 3995797243, win 32, options [nop,nop,TS val 1854961627 ecr 1928534838], length 1428
20:08:07.975631 IP6 ysv.443 > bme.65366: Flags [.], seq 3011394905:3011396333, ack 3995797243, win 32, options [nop,nop,TS val 1854961627 ecr 1928534838], length 1428
20:08:07.975637 IP6 ysv.443 > bme.65366: Flags [.], seq 3011396333:3011397761, ack 3995797243, win 32, options [nop,nop,TS val 1854961627 ecr 1928534838], length 1428
20:08:08.125273 IP6 bme.65366 > ysv.443: Flags [.], ack 3011394905, win 16382, options [nop,nop,TS val 1928534988 ecr 1854961627], length 0

recv side:
20:08:07.518095 IP6 ysv.443 > bme.65366: Flags [.], seq 3011386337:3011387765, ack 3995797243, win 32, options [nop,nop,TS val 1854961080 ecr 1928534291], length 1428
20:08:07.518262 IP6 bme.65366 > ysv.443: Flags [.], ack 3011370629, win 16384, options [nop,nop,TS val 1928534440 ecr 1854960781], length 0
20:08:07.518290 IP6 ysv.443 > bme.65366: Flags [.], seq 3011370629:3011372057, ack 3995797243, win 32, options [nop,nop,TS val 1854961080 ecr 1928534291], length 1428
20:08:07.518435 IP6 bme.65366 > ysv.443: Flags [.], ack 3011387765, win 16375, options [nop,nop,TS val 1928534440 ecr 1854961080], length 0
20:08:07.667007 IP6 ysv.443 > bme.65366: Flags [.], seq 3011387765:3011389193, ack 3995797243, win 32, options [nop,nop,TS val 1854961229 ecr 1928534440], length 1428
20:08:07.767014 IP6 bme.65366 > ysv.443: Flags [.], ack 3011389193, win 16384, options [nop,nop,TS val 1928534689 ecr 1854961229], length 0
20:08:07.915903 IP6 ysv.443 > bme.65366: Flags [.], seq 3011389193:3011390621, ack 3995797243, win 32, options [nop,nop,TS val 1854961478 ecr 1928534689], length 1428
20:08:07.916034 IP6 ysv.443 > bme.65366: Flags [.], seq 3011390621:3011392049, ack 3995797243, win 32, options [nop,nop,TS val 1854961478 ecr 1928534689], length 1428
20:08:07.916122 IP6 bme.65366 > ysv.443: Flags [.], ack 3011392049, win 16382, options [nop,nop,TS val 1928534838 ecr 1854961478], length 0
20:08:08.065565 IP6 ysv.443 > bme.65366: Flags [.], seq 3011392049:3011393477, ack 3995797243, win 32, options [nop,nop,TS val 1854961627 ecr 1928534838], length 1428
20:08:08.065695 IP6 ysv.443 > bme.65366: Flags [.], seq 3011393477:3011394905, ack 3995797243, win 32, options [nop,nop,TS val 1854961627 ecr 1928534838], length 1428
20:08:08.065802 IP6 bme.65366 > ysv.443: Flags [.], ack 3011394905, win 16382, options [nop,nop,TS val 1928534988 ecr 1854961627], length 0