B #3189: Beta LXD post net cleanup

src/vnm_mad/remotes/lib/lxd_clean.rb

@@ -3,11 +3,31 @@
 $LOAD_PATH << "#{__dir__}/../.."
 
 require 'vnmmad'
+require 'open3'
 
 template64 = STDIN.read
 vnm = VNMMAD::NoVLANDriver.from_base64(template64, nil, nil)
 
-exit 0 unless vnm.vm.hypervisor == 'lxd'
-STDERR.puts 'running lxd nic clean hook'
+vm = vnm.vm
 
-exit 0
+exit 0 unless vm.hypervisor == 'lxd'
+OpenNebula.log 'running lxd network post cleanup'
+
+vm.nics.each do |nic|
+    next unless nic[:nic]
+
+    veth = nic[:nic][:target]
+
+    cmd = "ip link show #{veth}"
+
+    _o, _e, s = Open3.capture3(cmd)
+
+    next unless s == 0
+
+    cmd = "ip link delete #{veth}"
+    OpenNebula.log "Found lingering nic #{veth}\n Running #{cmd}"
+
+    o, e, _s = Open3.capture3(cmd)
+
+    OpenNebula.log "#{o}\n#{e}"
+end