[lib.nfv.config] `ns_responder' is no longer used.
[lib.nfv.config] Add NFV feature tests using pcap.
[lib.nfv.config] Improve selftest.
Change test_fixtures/nfvconfig/test_functions/same_vlan.ports MAC settings.
[bench_env] Added host-nic-snabbnfv-guests.sh for testing
snabbnfv-traffic.
[lib.nfv] Added intial selftest.sh .
[lib.nfv.config] Fix broken configuration logic with regards
to L2TPv3 and nd_light.
[lib.nfv] Increase time waiting for VMs to boot in selftest.sh .
[lib.nfv] Instead of sleeping poll VMs for readiness in selftest.sh .
[lib.nfv] selftest: Refactor asserts into function, document
bench_env BOOTARGS variable reset in usage message.
[lib.nfv] selftest.sh: Factored out `test_ping' and added
`test_jumbping', `test_checksum' and `test_iperf'.