Part of this patch is also preparation for having common test plan for
firewall driver testing.
Following test cases were implemented:
- dhcp works by default
- dhcp server is prevented on vm by default
- ip spoofing from vm
- allowed address pairs allows traffic to given ip
- arp can go through
- ingress/egress traffic with src/dest port ranges
Related-bug: #1461000
Change-Id: Ib00c99f236855e6556f43f4ffc55014c73b077bb