VBoxManage setextradata name_of_vm "VBoxInternal/Devices/pcnet/0/LUN#0/Config/mysqla/HostPort" 3366
VBoxManage setextradata name_of_vm "VBoxInternal/Devices/pcnet/0/LUN#0/Config/mysqla/GuestPort" 3306
VBoxManage setextradata name_of_vm "VBoxInternal/Devices/pcnet/0/LUN#0/Config/mysqla/Protocol" TCP
VBoxManage setextradata name_of_vm "VBoxInternal/Devices/pcnet/0/LUN#0/Config/mysqlb/HostPort" 3366
VBoxManage setextradata name_of_vm "VBoxInternal/Devices/pcnet/0/LUN#0/Config/mysqlb/GuestPort" 3306
VBoxManage setextradata name_of_vm "VBoxInternal/Devices/pcnet/0/LUN#0/Config/mysqlb/Protocol" UDP