Port changed but bind to on LXC

G_known

As I start on the lxc machine and run "openvpn [directory path to config file], it produces an error that familiar to alot of people:

TCP/UDP: Socket bind failed on local address [undef]: Address already in use

I changed the port in the config file, error disappeared then restart the lxc machine, same error appears. Could this be that openvpn process doesn't remove itself upon stopping it? Since it shares the same kernel, I figure that it would use the same process as the host which produces an error of "address in use".

G_known

So I conclude that using LXC doesn't function well with Openvpn and most likely, doesn't work even though there's a guide that using a veth interface.