linux mac地址冲突

import subprocess
import re

def get_local_ips():
    result = subprocess.run(['ip', 'route'], capture_output=True, text=True)
    routes = result.stdout.splitlines()
    ips = []
    for route in routes:
        match = re.search(r'\d+\.\d+\.\d+\.\d+', route)
        if match:
            ips.append(match.group(0))
    return ips

def scan_mac_addresses(ip):
    result = subprocess.run(['arp-scan', '--localnet'], capture_output=True, text=True)
    lines = result.stdout.splitlines()
    mac_dict = {}
    for line in lines:
        parts = line.split()
        if len(parts) >= 4:
            mac = parts[3]
            ip = parts[0]
            if mac in mac_dict:
                mac_dict[mac].append(ip)
            else:
                mac_dict[mac] = [ip]
    return mac_dict

def check_for_conflicts(mac_dict):
    conflicts = {mac: ips for mac, ips in mac_dict.items() if len(ips) > 1}
    return conflicts

if __name__ == "__main__":
    local_ips = get_local_ips()
    all_mac_dict = {}
    for ip in local_ips:
        mac_dict = scan_mac_addresses(ip)
        all_mac_dict.update(mac_dict)
    
    conflicts = check_for_conflicts(all_mac_dict)
    if conflicts:
        print("MAC Address Conflicts Detected:")
        for mac, ips in conflicts.items():
            print(f"MAC: {mac}, IPs: {ips}")
    else:
        print("No MAC Address Conflicts Detected.")