VintageNet.PredictableInterfaceName.built_in-question-mark

You're seeing just the function built_in-question-mark, go back to VintageNet.PredictableInterfaceName module for more information.

Specs

built_in?(VintageNet.ifname()) :: boolean()

Return whether an ifname is a built-in one

Built-in names start with eth, wlan, etc. and cannot be used as interfaces names when using the predictable networking feature.

Examples:

iex> PredictableInterfaceName.built_in?("wlan0")
true

iex> PredictableInterfaceName.built_in?("eth50")
true

iex> PredictableInterfaceName.built_in?("lan")
false