diff --git a/bits.go b/bits.go
index b4f96c6..9fb4f11 100644
--- a/bits.go
+++ b/bits.go
@@ -43,7 +43,7 @@ func (b *Bits) Check(l logrus.FieldLogger, i uint64) bool {
 	}
 
 	// Not within the window
-	l.Debugf("rejected a packet (top) %d %d\n", b.current, i)
+	l.Debugf("rejected a packet (top) %d %d delta %d\n", b.current, i, b.current-i)
 	return false
 }
 
diff --git a/interface.go b/interface.go
index a814b4b..e6da5b8 100644
--- a/interface.go
+++ b/interface.go
@@ -288,7 +288,7 @@ func (f *Interface) listenOut(q int) {
 		}
 
 		f.readOutsidePacketsMany(pkts, outPackets, h, fwPacket, lhh, nb, q, ctCache.Get(f.l))
-		for i := range outPackets {
+		for i := range pkts {
 			if pkts[i].OutLen != -1 {
 				for j := 0; j < outPackets[i].SegCounter; j++ {
 					if len(outPackets[i].Segments[j]) > 0 {
@@ -298,12 +298,15 @@ func (f *Interface) listenOut(q int) {
 			}
 		}
 		//toSend = toSend[:toSendCount]
-		if len(toSend) != 0 {
-			_, err := f.readers[q].WriteMany(toSend)
+		for i := 0; i < len(toSend); i += batch {
+			x := min(len(toSend[i:]), batch)
+			toSendThisTime := toSend[i : i+x]
+			_, err := f.readers[q].WriteMany(toSendThisTime)
 			if err != nil {
 				f.l.WithError(err).Error("Failed to write messages")
 			}
 		}
+
 	})
 }
 
diff --git a/overlay/tun_linux.go b/overlay/tun_linux.go
index 9c65162..ad6c4f8 100644
--- a/overlay/tun_linux.go
+++ b/overlay/tun_linux.go
@@ -745,7 +745,9 @@ func (t *tun) Write(b []byte) (int, error) {
 
 func (t *tun) WriteMany(b [][]byte) (int, error) {
 	maximum := len(b) //we are RXing
-
+	if maximum == 0 {
+		return 0, nil
+	}
 	hdr := virtio.NetHdr{ //todo
 		Flags:      unix.VIRTIO_NET_HDR_F_DATA_VALID,
 		GSOType:    unix.VIRTIO_NET_HDR_GSO_NONE,
diff --git a/udp/udp_linux.go b/udp/udp_linux.go
index ec5eeb3..8861e4d 100644
--- a/udp/udp_linux.go
+++ b/udp/udp_linux.go
@@ -129,7 +129,7 @@ func (u *StdConn) ListenOut(r EncReader) {
 			packets[i].Payload = packets[i].Payload[:msgs[i].Len]
 			packets[i].Update(getRawMessageControlLen(&msgs[i]))
 		}
-		r(packets)
+		r(packets[:n])
 		for i := 0; i < n; i++ { //todo reset this in prev loop, but this makes debug ez
 			msgs[i].Hdr.Controllen = uint64(unix.CmsgSpace(2))
 		}