Host-only network

https://www.virtualbox.org/manual/ch08.html#vboxmanage-hostonlyifwww.virtualbox.org

Available commands

$ vboxmanage hostonlyif ipconfig <ifname> [ --dhcp | --ip=IPv4-address [--netmask=IPv4-netmask] | --ipv6=IPv6-address [--netmasklengthv6=length] ]

$ vboxmanage hostonlyif create

$ vboxmanage hostonlyif remove <ifname>

Create a new network interface on the host system

$ vboxmanage hostonlyif create
... created <vboxnet-iface>

$ sudo ip link set <vboxnet-iface> up

View created interfaces

$ vboxmanage list hostonlyifs
$ ifconfig <iface>