diff -NurpP --minimal a/drivers/net/vnet.c b/drivers/net/vnet.c
--- a/drivers/net/vnet.c	2005-03-01 16:35:25.000000000 +0100
+++ b/drivers/net/vnet.c	2005-03-02 17:00:32.000000000 +0100
@@ -65,8 +65,8 @@ static void vnet_real_xmit(struct vnet *
 		// newskb->priority = 2;
 
 		/* put it into host context */
-		skb->nfvnet = 0;
-		skb->nfxid = 0;
+		newskb->nfvnet = 0;
+		newskb->nfxid = 0;
 
 		dev_queue_xmit(newskb);
 
diff -NurpP --minimal a/net/core/skbuff.c b/net/core/skbuff.c
--- a/net/core/skbuff.c	2005-03-01 16:48:59.000000000 +0100
+++ b/net/core/skbuff.c	2005-03-02 06:03:49.000000000 +0100
@@ -59,6 +59,7 @@
 #include <linux/init.h>
 #include <linux/highmem.h>
 #include <linux/vserver/ngnet.h>
+#include <linux/if_vnet.h>
 
 #include <net/protocol.h>
 #include <net/dst.h>
@@ -150,6 +151,7 @@ struct sk_buff *alloc_skb(unsigned int s
 	skb->data = data;
 	skb->tail = data;
 	skb->end  = data + size;
+	skb->nfvnet = VNET_UNTAGGED;
 	// skb->nfxid = vx_current_xid();
 	skb->nfxid = NFXID_UNKNOWN;
 
diff -NurpP --minimal a/net/ipv4/netfilter/ipt_VNET.c b/net/ipv4/netfilter/ipt_VNET.c
--- a/net/ipv4/netfilter/ipt_VNET.c	2005-03-01 16:35:25.000000000 +0100
+++ b/net/ipv4/netfilter/ipt_VNET.c	2005-03-02 05:47:34.000000000 +0100
@@ -44,7 +44,7 @@ target(struct sk_buff **pskb,
 	case NF_IP_PRE_ROUTING:
 
 		/* process prestine packets only */
-		if ((*pskb)->nfvnet)
+		if ((*pskb)->nfvnet != VNET_UNTAGGED)
 			return IPT_CONTINUE;
 
 		/* rewrite packet and reinject from vnet */