networking

type Environment interface {
	io.Closer
	// Interfaces is typically a wrapper for net.Interfaces()
	Interfaces() ([]Interface, error)
	// InterfaceByName looks up an interface by its name
	InterfaceByName(string) (Interface, error)
}

type Interface interface {
	Name() string
	IsUp() bool
	Addrs() ([]net.IPNet, error)
	AddAddr(net.IPNet) error
}