{IPv6linklocalallrouters, false, true},
	{ParseIP("ff05::a:b:c:d"), false, true},
	{ParseIP("fe80::1:2:3:4"), false, true},
	{ParseIP("2001:db8::123:12:1"), false, true},
}

func TestIPAddrFamily(t *testing.T) {
	for _, tt := range ipAddrFamilyTests {
		if af := tt.in.To4() != nil; af != tt.af4 {
			t.Errorf("verifying IPv4 address family for %q = %v, want %v", tt.in, af, tt.af4)
		}