That warning icon in Device Manager often means one of two things:
The "Pseudo-Interface" part simply means it’s . There’s no Teredo chip on your motherboard. It’s a software-only virtual network adapter—a clever piece of code that pretends to be a network card so Windows knows how to route IPv6 traffic. what is teredo tunneling pseudo-interface
The is a virtual network adapter in Microsoft Windows that acts as a bridge between the older IPv4 internet protocol and the modern IPv6 standard . That warning icon in Device Manager often means