fix RTL871X crash due to netfilter modules

SD_ROOT/wz_mini/lib/modules/3.10.14__isvp_swan_1.0__/modules.builtin

@@ -14,7 +14,6 @@ kernel/fs/nls/nls_base.ko
 kernel/fs/nls/nls_cp437.ko
 kernel/fs/nls/nls_ascii.ko
 kernel/fs/nls/nls_iso8859-1.ko
-kernel/fs/overlayfs/overlayfs.ko
 kernel/fs/squashfs/squashfs.ko
 kernel/crypto/crypto.ko
 kernel/crypto/crypto_wq.ko

SD_ROOT/wz_mini/lib/modules/3.10.14__isvp_swan_1.0__/modules.order

@@ -20,19 +20,24 @@ kernel/drivers/usb/gadget/usb_f_ncm.ko
 kernel/drivers/usb/gadget/g_ncm.ko
 kernel/drivers/scsi/scsi_mod.ko
 kernel/drivers/scsi/sd_mod.ko
-kernel/net/netfilter/nfnetlink.ko
 kernel/net/netfilter/nf_conntrack.ko
-kernel/net/netfilter/nf_conntrack_netlink.ko
+kernel/net/netfilter/nf_nat.ko
 kernel/net/netfilter/x_tables.ko
 kernel/net/netfilter/xt_tcpudp.ko
+kernel/net/netfilter/xt_mark.ko
+kernel/net/netfilter/xt_nat.ko
 kernel/net/netfilter/xt_LOG.ko
+kernel/net/netfilter/xt_TCPMSS.ko
 kernel/net/netfilter/xt_conntrack.ko
 kernel/net/netfilter/xt_state.ko
 kernel/net/ipv4/netfilter/nf_conntrack_ipv4.ko
+kernel/net/ipv4/netfilter/nf_nat_ipv4.ko
 kernel/net/ipv4/netfilter/nf_defrag_ipv4.ko
 kernel/net/ipv4/netfilter/ip_tables.ko
 kernel/net/ipv4/netfilter/iptable_filter.ko
 kernel/net/ipv4/netfilter/iptable_mangle.ko
+kernel/net/ipv4/netfilter/iptable_nat.ko
+kernel/net/ipv4/netfilter/ipt_MASQUERADE.ko
 kernel/net/ipv4/netfilter/ipt_REJECT.ko
 kernel/net/ipv4/ip_tunnel.ko
 kernel/net/ipv4/tunnel4.ko