# Disable TFO blackhole-detection as we seem to be running afoul of that
sudo perl
system ("tc qdisc add dev lo root netem delay 50ms");
-system ("ip tcp_metrics delete 127.0.0.1");
+system ("ip tcp_metrics delete HOSTIPV4");
system ("[ -e /proc/sys/net/ipv4/tcp_fastopen_blackhole_timeout_sec ] && echo 0 > /proc/sys/net/ipv4/tcp_fastopen_blackhole_timeout_sec");
****
#