import unittest
from config import config
-from framework import VppTestCase, VppTestRunner
-from scapy.layers.l2 import Ether
-from scapy.packet import Raw
+from framework import VppTestCase
from scapy.layers.inet import IP, UDP, TCP
from scapy.packet import Packet
-from socket import inet_pton, AF_INET, AF_INET6
-from scapy.layers.inet6 import IPv6, ICMPv6Unknown, ICMPv6EchoRequest
-from scapy.layers.inet6 import ICMPv6EchoReply, IPv6ExtHdrRouting
-from scapy.layers.inet6 import IPv6ExtHdrFragment
-from pprint import pprint
-from random import randint
+from socket import AF_INET, AF_INET6
+from scapy.layers.inet6 import IPv6
from util import L4_Conn
from ipaddress import ip_network