Comment 6 for bug 1720378

Thanks jsalisbury. Ill try on another kernel now.

The steps to reproduce on xenial:

sudo su -
apt install --yes apache2 haproxy
echo "

listen test
    bind *:8776
    bind :::8776

" > /etc/haproxy/haproxy.cfg

echo "
Listen 8776
<VirtualHost *:8776>
        DocumentRoot /var/www/html
</VirtualHost>
" > /etc/apache2/sites-enabled/01-test.conf

systemctl restart haproxy
systemctl restart apache2
netstat -peanut | grep 8776