python使用scapy，使用发包工具时，报错NameError: name 'udp' is not defined，求解答，

#!env python
# -*- coding: <encoding name> -*-
import sys
from scapy.all import *
import os,random,datetime,time,math
from random import randrange
from random import uniform
from functools import reduce


def create_data(line):
    current_time = [
    datetime.datetime.now().strftime('%b %d %H:%M:%S'),
    datetime.datetime.now().strftime('%Y-%m-%d %H:%M:%S'),
    # datetime.datetime.now().strftime('%b %d %H:%M:%S %Y'),
    str(math.trunc(datetime.datetime.now().timestamp()))
]

regular = [
    "(\w{3}\s+\d{1,2}\s+\d{1,2}:\d{1,2}:\d{1,2})",
    "(\d{4}-\d{1,2}-\d{1,2}\s+\d{1,2}:\d{1,2}:\d{1,2})",
    "(\w{3}\s+\d{1,2}\s+\d{1,2}:\d{1,2}:\d{1,2}\s+\d{1,4})",
    "(\d{10})"
]

def current_time(line):
    for i in regular:
        for j in current_time(line):
            if len(re.findall(i, j)) != 0:  #若正则匹配上相对应的时间格式，则对字符串进行替换
               line=re.sub(i,j,line)
            return line


dict_ip_logfile={
        "192.168.58.84":  r"C:\Users\CS\Desktop\HPHIDS.txt"
        }
while True:
    for ip,logfile in dict_ip_logfile.items():
        with open(logfile,"r",encoding='unicode_escape') as log:
            for line in log:
                print(ip)
                print(logfile)
                print(create_data(line))
                # IP = (porto='udp','192.168.57.45')
                # UDP = (dst='192.168.57.14',8089)
                # scapy.all,send(IP,udp)
                scapy.all.send(IP(proto="udp",src=ip,dst="192.168.57.45")/udp(dst='192.168.57.14.',dport=8082)/line,inter=5,loop=1,count=2)
        log.close()

/后面的UDP大写