Add Vagrant based smoke tests (#1067)

* WIP smoke test freebsd

* fix bitrot

We now test that the firewall blocks inbound on host3 from host2

* WIP ipv6 test

* cleanup

* rename to make clear

* fix filename

* restore

* no sudo docker

* WIP

* WIP

* WIP

* WIP

* extra smoke tests

* WIP

* WIP

* add over improvements made in smoke.sh

* more tests

* use generic/freebsd14

* cleanup from test

* smoke test openbsd-amd64

* add netbsd-amd64

* try to fix vagrant

.github/workflows/smoke/build.sh

@@ -11,6 +11,11 @@ mkdir ./build
     cp ../../../../build/linux-amd64/nebula .
     cp ../../../../build/linux-amd64/nebula-cert .
 
+    if [ "$1" ]
+    then
+        cp "../../../../build/$1/nebula" "$1-nebula"
+    fi
+
     HOST="lighthouse1" \
         AM_LIGHTHOUSE=true \
         ../genconfig.sh >lighthouse1.yml