[default] Matching MAC address for NAT networking...
There was an error while executing `VBoxManage`, a CLI used by Vagrant
for controlling VirtualBox. The command and stderr is shown below.
Command: ["modifyvm", "74c38d07-35b6-409c-bf07-2867a5da8c49", "--macaddress1", "{{ .BaseMacAddress }}"]
Stderr: VBoxManage: error: Invalid MAC address format
VBoxManage: error: Details: code NS_ERROR_INVALID_ARG (0x80070057), component NetworkAdapter, interface INetworkAdapter, callee nsISupports
VBoxManage: error: Context: "COMSETTER(MACAddress)(Bstr(ValueUnion.psz).raw())" at line 1789 of file VBoxManageModifyVM.cpp