I am getting an ERROR : NETWORK IS UNREACHABLE, when i run socket program in l4linux. 

I am using 64-bit host, upon that - virtual machine which is 32-bit, upon that - ubuntu, upon that - fiasco+l4re+l4re+l4linux


//l4linux_socket.io file

l4linux => new System_bus()
{
NIC => wrap(hw-root.NIC);
}

//l4linux_socket.cfg

-- vim:set ft=lua:

local lxname = "vmlinuz";
if L4.Info.arch() == "arm" then
  lxname = "vmlinuz.arm";
end

loader = L4.default_loader;
vbus_l4linux = loader:new_channel();

loader:start(
{
caps={ 
sigma0 = L4.cast(L4.Proto.Factory, L4.Env.sigma0):create(L4.Proto.Sigma0);
icu = L4.Env.icu;
l4linux = vbus_l4linux:svr();
},
},"rom/io -vv  rom/l4linux_socket.io");


loader:start(
  { caps = {
      log = L4.Env.log:m("rws"),
      vbus = vbus_l4linux;
    },
    l4re_dbg = L4.Dbg.Warn,
    log = { "l4linux", "yellow" },
  },
  "rom/" .. lxname .. " mem=64M console=ttyLv0 l4x_rd=rom/new_ramdisk root=0:0 ramdisk_size=8400 init=/bin/sh");

//l4linux_socket.list

modaddr 0x01100000

entry l4linux_socket

kernel fiasco -serial_esc
roottask moe rom/l4linux_socket.cfg
module l4re
module ned
module l4linux_socket.cfg
module io
module l4linux_socket.io
module vmlinuz
module new_ramdisk

Please help us in resolving the error

Thank you