-from io import BytesIO
-
-import scapy.compat
-from framework import VppTestCase, VppTestRunner
-from ipfix import IPFIX, Set, Template, Data, IPFIXDecoder
-from scapy.all import bind_layers, Packet, ByteEnumField, ShortField, \
- IPField, IntField, LongField, XByteField, FlagsField, FieldLenField, \
- PacketListField
-from scapy.data import IP_PROTOS
-from scapy.layers.inet import IP, TCP, UDP, ICMP
-from scapy.layers.inet import IPerror, TCPerror, UDPerror, ICMPerror
-from scapy.layers.inet6 import ICMPv6DestUnreach, IPerror6, IPv6ExtHdrFragment
-from scapy.layers.inet6 import IPv6, ICMPv6EchoRequest, ICMPv6EchoReply, \
- ICMPv6ND_NS, ICMPv6ND_NA, ICMPv6NDOptDstLLAddr, fragment6
-from scapy.layers.l2 import Ether, ARP, GRE
-from scapy.packet import Raw
-from syslog_rfc5424_parser import SyslogMessage, ParseError
-from syslog_rfc5424_parser.constants import SyslogSeverity
-from util import ip4_range
-from util import ppc, ppp
-from vpp_acl import AclRule, VppAcl, VppAclInterface
-from vpp_ip_route import VppIpRoute, VppRoutePath
-from vpp_neighbor import VppNeighbor
+
+from framework import VppTestCase
+from asfframework import VppTestRunner
+from scapy.layers.inet import IP, TCP, UDP
+from scapy.layers.inet6 import (
+ IPv6,
+ ICMPv6EchoRequest,
+ ICMPv6EchoReply,
+)
+from scapy.layers.l2 import Ether, GRE
+from util import ppp