~/openwrt
cd ~/openwrt
wget downloads.openwrt.org/chaos_calmer/15.05.1/x86/generic/OpenWrt-ImageBuilder-15.05.1-x86-generic.Linux-x86_64.tar.bz2
tar -xvjf OpenWrt-ImageBuilder-15.05.1-x86-generic.Linux-x86_64.tar.bz2
cd OpenWrt-ImageBuilder-15.05.1-x86-generic.Linux-x86_64
make image PACKAGES="kmod-usb-serial-option kmod-usb2 kmod-usb3 openvpn-easy-rsa openvpn-nossl openvpn-openssl tor usb-modeswitch kmod-usb-serial-ipw luci-proto-3g"
qemu-img convert -f raw -O vmdk openwrt-15.05.1-x86-64-combined-ext4.img openwrt-15.05.1-x86-64-combined-ext4.vmdk