return null;
}
}
Connection conn = getConnection();
if (!_canBridgeFirewall && !_isOvs) {
return new PingRoutingCommand(getType(), id, null);
} else if (_isOvs) {
List<Pair<String, Long>>ovsStates = ovsFullSyncStates();
return new PingRoutingWithOvsCommand(getType(), id, null, ovsStates);
}else {
HashMap<String, Pair<Long, Long>> nwGrpStates = syncNetworkGroups(conn, id);