Bridge two virtual interfaces over SSH, using tuntap driver.
- brssh client can be configured by editing /etc/brssh/client.cfg.
- brssh server can be configured by editing /etc/brssh/server.cfg.
brssh client, create a local tuntap interface and spawn a brssh server via ssh.
brssh server also create a tuntap interface on remote server.
The SSH connection is used to forward packets between client and server.