python安装scapy出现警告

代码为
from scapy.all import *
pkt = IP(dst="192.168.0.1")/ICMP()
sr(pkt)

出现警告
WARNING: No libpcap provider available ! pcap won't be used
WARNING: Dropping unsupported option: filter
WARNING: Dropping unsupported option: nofilter
WARNING: No route found (no default route?)
WARNING: No route found (no default route?)
求解决方法

捆
    

包含
    

点命令

默认
    

只有 Scapy
    

pip install scapy

基本的
    

Scapy 和 IPython。 强烈推荐
    

pip install --pre scapy[basic]

完全的
    

Scapy 及其所有主要依赖项
    

pip install --pre scapy[complete]