if (item.machine == null) {
throw new OpsException("machine is required");
}
PrivateNetworkHelpers helper = Injection.getInstance(PrivateNetworkHelpers.class);
List<PrivateNetworkConnection> connections = helper.getConnections(item.network);
PrivateNetwork network = helper.getPrivateNetwork(item.network);
Set<String> tunnelIds = Sets.newHashSet();
Set<IpV6Range> cidrs = Sets.newHashSet();
for (PrivateNetworkConnection connection : connections) {
tunnelIds.add(connection.tunnelId);