Quando adiciono a linha:
web_config.vm.network "private_network", ip: "192.168.50.10"
e executo o vagrant up ocorre o seguinte erro:
There was an error while executing `VBoxManage`, a CLI used by Vagrant
for controlling VirtualBox. The command and stderr is shown below.
Command: ["hostonlyif", "create"]
Stderr: 0%...
Progress state: E_INVALIDARG
VBoxManage.exe: error: Failed to create the host-only adapter
VBoxManage.exe: error: Assertion failed: [!aInterfaceName.isEmpty()] at 'F:\tinderbox\win-5.1\src\VBox\Main\src-server\HostNetworkInterfaceImpl.cpp' (74) in long __cdecl HostNetworkInterface::init(class com::Bstr,class com::Bstr,class com::Guid,enum __MIDL___MIDL_itf_VirtualBox_0000_0000_0038).
VBoxManage.exe: error: Please contact the product vendor!
VBoxManage.exe: error: Details: code E_FAIL (0x80004005), component HostNetworkInterfaceWrap, interface IHostNetworkInterface
VBoxManage.exe: error: Context: "enum RTEXITCODE __cdecl handleCreate(struct HandlerArg *)" at line 71 of file VBoxManageHostonly.cpp