REF: https://superuser.com/questions/1005881/ssh-rootip-of-lxc-container-dont-work
iptables -t nat -A PREROUTING -i [host NIC] -p tcp --dport 2222 -j DNAT --to [container ip address]:22
REF: https://superuser.com/questions/1005881/ssh-rootip-of-lxc-container-dont-work
iptables -t nat -A PREROUTING -i [host NIC] -p tcp --dport 2222 -j DNAT --to [container ip address]:22