NET_RT_FLAGS
mib[4] = NET_RT_FLAGS;
mib[4] == NET_RT_FLAGS && mib[5] == RTF_LLINFO)
if (w->w_op == NET_RT_FLAGS && !(rt->rt_flags & w->w_arg))
case NET_RT_FLAGS:
mib[4] = NET_RT_FLAGS;
mib[4] = NET_RT_FLAGS;