virtualbox: create internal test vm network

$ VBoxManage dhcpserver add --netname testlab --ip 10.1.0.1 --netmask 255.255.255.0 --lowerip 10.1.0.2 --upperip 10.1.0.100 --enable

localuser-MacBook-Pro:~ localuser$ VBoxManage list dhcpservers

NetworkName:    HostInterfaceNetworking-vboxnet0

IP:             192.168.56.100

NetworkMask:    255.255.255.0

lowerIPAddress: 192.168.56.101

upperIPAddress: 192.168.56.254

Enabled:        Yes

NetworkName:    testlab

IP:             10.1.0.1

NetworkMask:    255.255.255.0

lowerIPAddress: 10.1.0.2

upperIPAddress: 10.1.0.100

Enabled:        No


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