packet-generator new {
  name dns1
  rate 10
  node ip4-input
  size 100-100
  no-recycle
  data {
    UDP: 104.130.226.226 -> 104.130.169.190
    UDP: 15320 -> 53
    length 48
    hex 0x22c60100000100000000000005686f73743107646e7364656d6f046f6e6170036f72670000010001
  }
}