rock-5b:~:# ./client 8a:9f:1e:b8:77:e6
[2024-07-23T18:37:28+08:00]  INFO main: Message{
  MessageType=SOLICIT
  TransactionID=0x32abb1
  Options: [
    Client ID: DUID-LLT{HWType=Ethernet HWAddr=8a:9f:1e:b8:77:e6 Time=775046248}
    Requested Options: DNS, Domain Search List
    Elapsed Time: 0s
    IANA: IAID=0x4c68006e T1=0s T2=0s Options=[]
  ]
}
[2024-07-23T18:37:28+08:00]  INFO main: Message{
  MessageType=ADVERTISE
  TransactionID=0x32abb1
  Options: [
    Client ID: DUID-LLT{HWType=Ethernet HWAddr=8a:9f:1e:b8:77:e6 Time=775046248}
    Server ID: DUID-LL{HWType=Ethernet HWAddr=02:42:bf:84:27:8f}
    DNS: [2001:4860:4860::8888 2001:4860:4860::8844]
  ]
}
[2024-07-23T18:37:28+08:00] FATAL main: IA_NA cannot be nil in ADVERTISE when building REQUEST