sshd 7.8p1 close connection from VMware Fusion NAT Port Forwarding

[Stuart Henderson]

On 2018-08-27, Zach Cheung <kuroro.zhang at gmail.com> wrote:
> After upgrading my VMware Fusion (10.1.3) Arch Guest to the latest with
> OpenSSH upgraded from 7.7p1 to 7.8p1, found that ssh from macOS Sierra
> (10.12.6) host to Arch guest via local NAT port forwarding failed, but via
> Arch LAN IP worked, downgraded OpenSSH from 7.8p1 to 7.7p1 fixed the
> problem.
>
> Any idea about this bug?

I bet it is the QoS change. Try "IPQoS lowdelay,throughput".