Plot.plot({
  y: {
    type: "log"
  },
  color: {
    legend: true
  },
  marks: [
    Plot.ruleY([0]),
    Plot.line(data1, {
      x: "epoc",
      y: "rtt",
      stroke: "host",
      mixBlendMode: "multiply"
    })
  ],
  width: width
})