code: func (s *Stack) CreateDisabledNIC(id tcpip.NICID, linkEP tcpip.LinkEndpointID) *tcpip.Error {
  	return s.createNIC(id, "", linkEP, false, false)
  }
docs: // CreateDisabledNIC creates a NIC with the provided id and link-layer endpoint,
  // but leave it disable. Stack.EnableNIC must be called before the link-layer
  // endpoint starts delivering packets to it.