public static ValueLabel formatClippedBitRate(long bytes) {
        return new ValueLabel(bytes * 8, BITS_UNIT).perSec().clipG(100.0);
    }
@Test
    public void formatClippedBitsGiga() {
        vl = TopoUtils.formatClippedBitRate(500_000_000);
        assertEquals(AM_WL, "3.73 Gbps", vl.toString());
        assertFalse(AM_CL, vl.clipped());
    }