You should update VirtualBox to the 5.2.18 version immediately. If you don’t you’ll see this when trying to vagrant up.

Bringing machine ‘default’ up with ‘virtualbox’ provider…
==> default: Checking if box ‘<your box>’ is up to date…
==> default: Clearing any previously set network interfaces…
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: NS_ERROR_FAILURE
VBoxManage: error: Failed to create the host-only adapter
VBoxManage: error: VBoxNetAdpCtl: Error while adding new interface: failed to open /dev/vboxnetctl: No such file or directory
VBoxManage: error: Details: code NS_ERROR_FAILURE (0x80004005), component HostNetworkInterfaceWrap, interface IHostNetworkInterface
VBoxManage: error: Context: “RTEXITCODE handleCreate(HandlerArg *)” at line 94 of file VBoxManageHostonly.cpp