* [PATCH qemu-server v2 1/2] fix #7627: net: virtio: disable host_tunnel feature again with 11.0+pve1
2026-06-26 12:06 [PATCH-SERIES qemu-server v2 0/2] fix #7627: net: virtio: disable host_tunnel feature again with 11.0+pve1 Fiona Ebner
@ 2026-06-26 12:06 ` Fiona Ebner
2026-06-26 12:06 ` [PATCH qemu-server v2 2/2] virtio-net: expose host_tunnel option Fiona Ebner
1 sibling, 0 replies; 3+ messages in thread
From: Fiona Ebner @ 2026-06-26 12:06 UTC (permalink / raw)
To: pve-devel
QEMU machine version 10.2 started exposing the new features
VIRTIO_NET_F_HOST_UDP_TUNNEL_GSO_CSUM
VIRTIO_NET_F_HOST_UDP_TUNNEL_GSO
VIRTIO_NET_F_GUEST_UDP_TUNNEL_GSO_CSUM
VIRTIO_NET_F_GUEST_UDP_TUNNEL_GSO
but the host tunnel one causes issues with certain guest network
configurations, in particular when using VXLAN [0][1][2][3] when the
traffic goes over a physical NIC, at least when the NIC does not have
support for these feature itself.
The negotiation in QEMU does not consider the physical NIC, it just
looks whether the vhost-net device and the guest both support it and
then turns on the feature for the tap device. However, it seems like
the tap device does not itself add the inner TCP checksums for the
encapsulated traffic. It's not entirely clear yet if this is a kernel
issue or if the common configuration with bridged tap interface
going to physical NIC is not supported in this configuration without
some additional tweaks. When the traffic does not go via a physical
NIC, it seems to work (i.e. both source and target VM on the same
host).
The issue was in the virtio-net driver [4], so it will be a while and
outside of Proxmox VE's control until the fix is rolled out to guest
kernels. don't have control over. While there is an easy workaround
with pinning the machine version to 10.1 for affected guests, disable
this advanced host tunnel feature again for now. It could be
re-enabled by default as part of a future major release.
[0]: https://bugzilla.proxmox.com/show_bug.cgi?id=7627
[1]: https://forum.proxmox.com/threads/183494/post-855144
[2]: https://forum.proxmox.com/threads/182328/post-854627
[3]: https://forum.proxmox.com/threads/183963/#post-855737
[4]: https://lore.kernel.org/netdev/6c3b6c47fb05c100f384630dc48f3975cf37b67a.1781195144.git.pabeni@redhat.com/
Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
---
src/PVE/QemuServer.pm | 7 +++++++
src/PVE/QemuServer/Machine.pm | 6 ++++++
src/test/cfg2cmd/aarch64/simple-arm-host.conf.cmd | 2 +-
src/test/cfg2cmd/aarch64/simple-arm.conf.cmd | 2 +-
src/test/cfg2cmd/aarch64/simple-x86-on-arm-host.conf.cmd | 2 +-
src/test/cfg2cmd/bootorder-empty.conf.cmd | 2 +-
src/test/cfg2cmd/bootorder-legacy.conf.cmd | 2 +-
src/test/cfg2cmd/bootorder.conf.cmd | 2 +-
src/test/cfg2cmd/efidisk-on-rbd.conf.cmd | 2 +-
src/test/cfg2cmd/ide.conf.cmd | 2 +-
src/test/cfg2cmd/netdev-7.1-multiqueues.conf.cmd | 2 +-
src/test/cfg2cmd/netdev-7.1.conf.cmd | 2 +-
src/test/cfg2cmd/netdev_vxlan.conf.cmd | 2 +-
src/test/cfg2cmd/q35-ide.conf.cmd | 2 +-
src/test/cfg2cmd/q35-linux-hostpci-driver-keep.conf.cmd | 2 +-
src/test/cfg2cmd/q35-linux-hostpci-mapping.conf.cmd | 2 +-
src/test/cfg2cmd/q35-linux-hostpci-multifunction.conf.cmd | 2 +-
.../cfg2cmd/q35-linux-hostpci-x-pci-overrides.conf.cmd | 2 +-
src/test/cfg2cmd/q35-linux-hostpci.conf.cmd | 2 +-
src/test/cfg2cmd/q35-simple.conf.cmd | 2 +-
src/test/cfg2cmd/seabios_serial.conf.cmd | 2 +-
src/test/cfg2cmd/simple-btrfs.conf.cmd | 2 +-
src/test/cfg2cmd/simple-disk-passthrough.conf.cmd | 2 +-
src/test/cfg2cmd/simple-rbd.conf.cmd | 2 +-
src/test/cfg2cmd/simple-virtio-blk.conf.cmd | 2 +-
src/test/cfg2cmd/simple-zfs-over-iscsi.conf.cmd | 2 +-
src/test/cfg2cmd/simple1.conf.cmd | 2 +-
27 files changed, 38 insertions(+), 25 deletions(-)
diff --git a/src/PVE/QemuServer.pm b/src/PVE/QemuServer.pm
index 55e9f520..ec0423af 100644
--- a/src/PVE/QemuServer.pm
+++ b/src/PVE/QemuServer.pm
@@ -1419,6 +1419,13 @@ sub print_netdevice_full {
$tmpstr .= ",romfile=$romfile" if $romfile;
}
+ # FIXME: MAJOR VERSION: consider re-enabling by default if most guest kernels are expected to
+ # include the fix "virtio_net: do not allow tunnel csum offload for non GSO packets" with a
+ # prominent notice in the upgrade guide.
+ if (min_version($machine_version, 11, 0, 1) && $net->{model} eq 'virtio') {
+ $tmpstr .= ",host_tunnel=off";
+ }
+
return $tmpstr;
}
diff --git a/src/PVE/QemuServer/Machine.pm b/src/PVE/QemuServer/Machine.pm
index b87889b4..37b272c6 100644
--- a/src/PVE/QemuServer/Machine.pm
+++ b/src/PVE/QemuServer/Machine.pm
@@ -43,6 +43,12 @@ our $PVE_MACHINE_VERSION = {
'+pve1' => 'Set host_mtu vNIC option even with default value for migration compat.',
},
},
+ '11.0' => {
+ highest => 1,
+ revisions => {
+ '+pve1' => 'Use host_tunnel=off by default for VirtIO NICs.',
+ },
+ },
};
my $machine_fmt = {
diff --git a/src/test/cfg2cmd/aarch64/simple-arm-host.conf.cmd b/src/test/cfg2cmd/aarch64/simple-arm-host.conf.cmd
index 07abb068..3ffa7548 100644
--- a/src/test/cfg2cmd/aarch64/simple-arm-host.conf.cmd
+++ b/src/test/cfg2cmd/aarch64/simple-arm-host.conf.cmd
@@ -37,5 +37,5 @@
-blockdev '{"detect-zeroes":"unmap","discard":"unmap","driver":"throttle","file":{"cache":{"direct":true,"no-flush":false},"detect-zeroes":"unmap","discard":"unmap","driver":"qcow2","file":{"aio":"io_uring","cache":{"direct":true,"no-flush":false},"detect-zeroes":"unmap","discard":"unmap","driver":"file","filename":"/var/lib/vz/images/8006/vm-8006-disk-0.qcow2","node-name":"ecd04be4259153b8293415fefa2a84c","read-only":false},"node-name":"fcd04be4259153b8293415fefa2a84c","read-only":false},"node-name":"drive-scsi0","read-only":false,"throttle-group":"throttle-drive-scsi0"}' \
-device 'scsi-hd,bus=scsihw0.0,channel=0,scsi-id=0,lun=0,drive=drive-scsi0,id=scsi0,device_id=drive-scsi0,bootindex=100,write-cache=on' \
-netdev 'type=tap,id=net0,ifname=tap8006i0,script=/usr/libexec/qemu-server/pve-bridge,downscript=/usr/libexec/qemu-server/pve-bridgedown,vhost=on' \
- -device 'virtio-net-pci,mac=A2:C0:43:77:08:A0,netdev=net0,bus=pcie.0,addr=0x12,id=net0,rx_queue_size=1024,tx_queue_size=256,bootindex=300,host_mtu=1500' \
+ -device 'virtio-net-pci,mac=A2:C0:43:77:08:A0,netdev=net0,bus=pcie.0,addr=0x12,id=net0,rx_queue_size=1024,tx_queue_size=256,bootindex=300,host_mtu=1500,host_tunnel=off' \
-machine 'pflash0=pflash0,pflash1=drive-efidisk0,type=virt+pve0'
diff --git a/src/test/cfg2cmd/aarch64/simple-arm.conf.cmd b/src/test/cfg2cmd/aarch64/simple-arm.conf.cmd
index 33653f1f..822dc6a6 100644
--- a/src/test/cfg2cmd/aarch64/simple-arm.conf.cmd
+++ b/src/test/cfg2cmd/aarch64/simple-arm.conf.cmd
@@ -37,5 +37,5 @@
-blockdev '{"detect-zeroes":"unmap","discard":"unmap","driver":"throttle","file":{"cache":{"direct":true,"no-flush":false},"detect-zeroes":"unmap","discard":"unmap","driver":"qcow2","file":{"aio":"io_uring","cache":{"direct":true,"no-flush":false},"detect-zeroes":"unmap","discard":"unmap","driver":"file","filename":"/var/lib/vz/images/8006/vm-8006-disk-0.qcow2","node-name":"ecd04be4259153b8293415fefa2a84c","read-only":false},"node-name":"fcd04be4259153b8293415fefa2a84c","read-only":false},"node-name":"drive-scsi0","read-only":false,"throttle-group":"throttle-drive-scsi0"}' \
-device 'scsi-hd,bus=scsihw0.0,channel=0,scsi-id=0,lun=0,drive=drive-scsi0,id=scsi0,device_id=drive-scsi0,bootindex=100,write-cache=on' \
-netdev 'type=tap,id=net0,ifname=tap8006i0,script=/usr/libexec/qemu-server/pve-bridge,downscript=/usr/libexec/qemu-server/pve-bridgedown' \
- -device 'virtio-net-pci,mac=A2:C0:43:77:08:A0,netdev=net0,bus=pcie.0,addr=0x12,id=net0,rx_queue_size=1024,tx_queue_size=256,bootindex=300,host_mtu=1500' \
+ -device 'virtio-net-pci,mac=A2:C0:43:77:08:A0,netdev=net0,bus=pcie.0,addr=0x12,id=net0,rx_queue_size=1024,tx_queue_size=256,bootindex=300,host_mtu=1500,host_tunnel=off' \
-machine 'pflash0=pflash0,pflash1=drive-efidisk0,accel=tcg,type=virt+pve0'
diff --git a/src/test/cfg2cmd/aarch64/simple-x86-on-arm-host.conf.cmd b/src/test/cfg2cmd/aarch64/simple-x86-on-arm-host.conf.cmd
index a77c2692..9e932d6b 100644
--- a/src/test/cfg2cmd/aarch64/simple-x86-on-arm-host.conf.cmd
+++ b/src/test/cfg2cmd/aarch64/simple-x86-on-arm-host.conf.cmd
@@ -34,5 +34,5 @@
-blockdev '{"detect-zeroes":"unmap","discard":"unmap","driver":"throttle","file":{"cache":{"direct":true,"no-flush":false},"detect-zeroes":"unmap","discard":"unmap","driver":"qcow2","file":{"aio":"io_uring","cache":{"direct":true,"no-flush":false},"detect-zeroes":"unmap","discard":"unmap","driver":"file","filename":"/var/lib/vz/images/8006/vm-8006-disk-0.qcow2","node-name":"ecd04be4259153b8293415fefa2a84c","read-only":false},"node-name":"fcd04be4259153b8293415fefa2a84c","read-only":false},"node-name":"drive-scsi0","read-only":false,"throttle-group":"throttle-drive-scsi0"}' \
-device 'scsi-hd,bus=scsihw0.0,channel=0,scsi-id=0,lun=0,drive=drive-scsi0,id=scsi0,device_id=drive-scsi0,bootindex=100,write-cache=on' \
-netdev 'type=tap,id=net0,ifname=tap8006i0,script=/usr/libexec/qemu-server/pve-bridge,downscript=/usr/libexec/qemu-server/pve-bridgedown' \
- -device 'virtio-net-pci,mac=A2:C0:43:77:08:A0,netdev=net0,bus=pci.0,addr=0x12,id=net0,rx_queue_size=1024,tx_queue_size=256,bootindex=300,host_mtu=1500' \
+ -device 'virtio-net-pci,mac=A2:C0:43:77:08:A0,netdev=net0,bus=pci.0,addr=0x12,id=net0,rx_queue_size=1024,tx_queue_size=256,bootindex=300,host_mtu=1500,host_tunnel=off' \
-machine 'pflash0=pflash0,pflash1=drive-efidisk0,hpet=off,accel=tcg,type=pc+pve0'
diff --git a/src/test/cfg2cmd/bootorder-empty.conf.cmd b/src/test/cfg2cmd/bootorder-empty.conf.cmd
index 238776d0..d6a56e79 100644
--- a/src/test/cfg2cmd/bootorder-empty.conf.cmd
+++ b/src/test/cfg2cmd/bootorder-empty.conf.cmd
@@ -39,5 +39,5 @@
-blockdev '{"detect-zeroes":"unmap","discard":"unmap","driver":"throttle","file":{"cache":{"direct":true,"no-flush":false},"detect-zeroes":"unmap","discard":"unmap","driver":"qcow2","file":{"aio":"io_uring","cache":{"direct":true,"no-flush":false},"detect-zeroes":"unmap","discard":"unmap","driver":"file","filename":"/var/lib/vz/images/8006/vm-8006-disk-0.qcow2","node-name":"eeb683fb9c516c1a8707c917f0d7a38","read-only":false},"node-name":"feb683fb9c516c1a8707c917f0d7a38","read-only":false},"node-name":"drive-virtio1","read-only":false,"throttle-group":"throttle-drive-virtio1"}' \
-device 'virtio-blk-pci,drive=drive-virtio1,id=virtio1,bus=pci.0,addr=0xb,iothread=iothread-virtio1,write-cache=on' \
-netdev 'type=tap,id=net0,ifname=tap8006i0,script=/usr/libexec/qemu-server/pve-bridge,downscript=/usr/libexec/qemu-server/pve-bridgedown,vhost=on' \
- -device 'virtio-net-pci,mac=A2:C0:43:77:08:A0,netdev=net0,bus=pci.0,addr=0x12,id=net0,rx_queue_size=1024,tx_queue_size=256,host_mtu=1500' \
+ -device 'virtio-net-pci,mac=A2:C0:43:77:08:A0,netdev=net0,bus=pci.0,addr=0x12,id=net0,rx_queue_size=1024,tx_queue_size=256,host_mtu=1500,host_tunnel=off' \
-machine 'hpet=off,type=pc+pve0'
diff --git a/src/test/cfg2cmd/bootorder-legacy.conf.cmd b/src/test/cfg2cmd/bootorder-legacy.conf.cmd
index 55f815de..b03e1193 100644
--- a/src/test/cfg2cmd/bootorder-legacy.conf.cmd
+++ b/src/test/cfg2cmd/bootorder-legacy.conf.cmd
@@ -39,5 +39,5 @@
-blockdev '{"detect-zeroes":"unmap","discard":"unmap","driver":"throttle","file":{"cache":{"direct":true,"no-flush":false},"detect-zeroes":"unmap","discard":"unmap","driver":"qcow2","file":{"aio":"io_uring","cache":{"direct":true,"no-flush":false},"detect-zeroes":"unmap","discard":"unmap","driver":"file","filename":"/var/lib/vz/images/8006/vm-8006-disk-0.qcow2","node-name":"eeb683fb9c516c1a8707c917f0d7a38","read-only":false},"node-name":"feb683fb9c516c1a8707c917f0d7a38","read-only":false},"node-name":"drive-virtio1","read-only":false,"throttle-group":"throttle-drive-virtio1"}' \
-device 'virtio-blk-pci,drive=drive-virtio1,id=virtio1,bus=pci.0,addr=0xb,iothread=iothread-virtio1,bootindex=302,write-cache=on' \
-netdev 'type=tap,id=net0,ifname=tap8006i0,script=/usr/libexec/qemu-server/pve-bridge,downscript=/usr/libexec/qemu-server/pve-bridgedown,vhost=on' \
- -device 'virtio-net-pci,mac=A2:C0:43:77:08:A0,netdev=net0,bus=pci.0,addr=0x12,id=net0,rx_queue_size=1024,tx_queue_size=256,bootindex=100,host_mtu=1500' \
+ -device 'virtio-net-pci,mac=A2:C0:43:77:08:A0,netdev=net0,bus=pci.0,addr=0x12,id=net0,rx_queue_size=1024,tx_queue_size=256,bootindex=100,host_mtu=1500,host_tunnel=off' \
-machine 'hpet=off,type=pc+pve0'
diff --git a/src/test/cfg2cmd/bootorder.conf.cmd b/src/test/cfg2cmd/bootorder.conf.cmd
index 6d48b924..70203ff9 100644
--- a/src/test/cfg2cmd/bootorder.conf.cmd
+++ b/src/test/cfg2cmd/bootorder.conf.cmd
@@ -39,5 +39,5 @@
-blockdev '{"detect-zeroes":"unmap","discard":"unmap","driver":"throttle","file":{"cache":{"direct":true,"no-flush":false},"detect-zeroes":"unmap","discard":"unmap","driver":"qcow2","file":{"aio":"io_uring","cache":{"direct":true,"no-flush":false},"detect-zeroes":"unmap","discard":"unmap","driver":"file","filename":"/var/lib/vz/images/8006/vm-8006-disk-0.qcow2","node-name":"eeb683fb9c516c1a8707c917f0d7a38","read-only":false},"node-name":"feb683fb9c516c1a8707c917f0d7a38","read-only":false},"node-name":"drive-virtio1","read-only":false,"throttle-group":"throttle-drive-virtio1"}' \
-device 'virtio-blk-pci,drive=drive-virtio1,id=virtio1,bus=pci.0,addr=0xb,iothread=iothread-virtio1,bootindex=100,write-cache=on' \
-netdev 'type=tap,id=net0,ifname=tap8006i0,script=/usr/libexec/qemu-server/pve-bridge,downscript=/usr/libexec/qemu-server/pve-bridgedown,vhost=on' \
- -device 'virtio-net-pci,mac=A2:C0:43:77:08:A0,netdev=net0,bus=pci.0,addr=0x12,id=net0,rx_queue_size=1024,tx_queue_size=256,bootindex=101,host_mtu=1500' \
+ -device 'virtio-net-pci,mac=A2:C0:43:77:08:A0,netdev=net0,bus=pci.0,addr=0x12,id=net0,rx_queue_size=1024,tx_queue_size=256,bootindex=101,host_mtu=1500,host_tunnel=off' \
-machine 'hpet=off,type=pc+pve0'
diff --git a/src/test/cfg2cmd/efidisk-on-rbd.conf.cmd b/src/test/cfg2cmd/efidisk-on-rbd.conf.cmd
index ffd471bd..6a1cae98 100644
--- a/src/test/cfg2cmd/efidisk-on-rbd.conf.cmd
+++ b/src/test/cfg2cmd/efidisk-on-rbd.conf.cmd
@@ -31,5 +31,5 @@
-device 'virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3,free-page-reporting=on' \
-iscsi 'initiator-name=iqn.1993-08.org.debian:01:aabbccddeeff' \
-netdev 'type=tap,id=net0,ifname=tap8006i0,script=/usr/libexec/qemu-server/pve-bridge,downscript=/usr/libexec/qemu-server/pve-bridgedown,vhost=on' \
- -device 'virtio-net-pci,mac=2E:01:68:F9:9C:87,netdev=net0,bus=pci.0,addr=0x12,id=net0,rx_queue_size=1024,tx_queue_size=256,bootindex=300,host_mtu=1500' \
+ -device 'virtio-net-pci,mac=2E:01:68:F9:9C:87,netdev=net0,bus=pci.0,addr=0x12,id=net0,rx_queue_size=1024,tx_queue_size=256,bootindex=300,host_mtu=1500,host_tunnel=off' \
-machine 'pflash0=pflash0,pflash1=drive-efidisk0,hpet=off,type=pc+pve0'
diff --git a/src/test/cfg2cmd/ide.conf.cmd b/src/test/cfg2cmd/ide.conf.cmd
index afb52d79..4354d427 100644
--- a/src/test/cfg2cmd/ide.conf.cmd
+++ b/src/test/cfg2cmd/ide.conf.cmd
@@ -42,5 +42,5 @@
-blockdev '{"detect-zeroes":"on","discard":"ignore","driver":"throttle","file":{"cache":{"direct":true,"no-flush":false},"detect-zeroes":"on","discard":"ignore","driver":"qcow2","file":{"aio":"io_uring","cache":{"direct":true,"no-flush":false},"detect-zeroes":"on","discard":"ignore","driver":"file","filename":"/var/lib/vz/images/100/vm-100-disk-2.qcow2","node-name":"ec11e0572184321efc5835152b95d5d","read-only":false},"node-name":"fc11e0572184321efc5835152b95d5d","read-only":false},"node-name":"drive-scsi0","read-only":false,"throttle-group":"throttle-drive-scsi0"}' \
-device 'scsi-hd,bus=scsihw0.0,channel=0,scsi-id=0,lun=0,drive=drive-scsi0,id=scsi0,device_id=drive-scsi0,bootindex=100,write-cache=on' \
-netdev 'type=tap,id=net0,ifname=tap8006i0,script=/usr/libexec/qemu-server/pve-bridge,downscript=/usr/libexec/qemu-server/pve-bridgedown,vhost=on' \
- -device 'virtio-net-pci,mac=2E:01:68:F9:9C:87,netdev=net0,bus=pci.0,addr=0x12,id=net0,rx_queue_size=1024,tx_queue_size=256,bootindex=300,host_mtu=1500' \
+ -device 'virtio-net-pci,mac=2E:01:68:F9:9C:87,netdev=net0,bus=pci.0,addr=0x12,id=net0,rx_queue_size=1024,tx_queue_size=256,bootindex=300,host_mtu=1500,host_tunnel=off' \
-machine 'hpet=off,type=pc+pve0'
diff --git a/src/test/cfg2cmd/netdev-7.1-multiqueues.conf.cmd b/src/test/cfg2cmd/netdev-7.1-multiqueues.conf.cmd
index 89e7ae62..f803b0d5 100644
--- a/src/test/cfg2cmd/netdev-7.1-multiqueues.conf.cmd
+++ b/src/test/cfg2cmd/netdev-7.1-multiqueues.conf.cmd
@@ -24,5 +24,5 @@
-device 'virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3,free-page-reporting=on' \
-iscsi 'initiator-name=iqn.1993-08.org.debian:01:aabbccddeeff' \
-netdev 'type=tap,id=net0,ifname=tap8006i0,script=/usr/libexec/qemu-server/pve-bridge,downscript=/usr/libexec/qemu-server/pve-bridgedown,vhost=on,queues=2' \
- -device 'virtio-net-pci,mac=A2:C0:43:77:08:A0,netdev=net0,bus=pci.0,addr=0x12,id=net0,vectors=6,mq=on,packed=on,rx_queue_size=1024,tx_queue_size=256,bootindex=300,host_mtu=900' \
+ -device 'virtio-net-pci,mac=A2:C0:43:77:08:A0,netdev=net0,bus=pci.0,addr=0x12,id=net0,vectors=6,mq=on,packed=on,rx_queue_size=1024,tx_queue_size=256,bootindex=300,host_mtu=900,host_tunnel=off' \
-machine 'hpet=off,type=pc+pve0'
diff --git a/src/test/cfg2cmd/netdev-7.1.conf.cmd b/src/test/cfg2cmd/netdev-7.1.conf.cmd
index 8cf2615b..99d72f28 100644
--- a/src/test/cfg2cmd/netdev-7.1.conf.cmd
+++ b/src/test/cfg2cmd/netdev-7.1.conf.cmd
@@ -24,5 +24,5 @@
-device 'virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3,free-page-reporting=on' \
-iscsi 'initiator-name=iqn.1993-08.org.debian:01:aabbccddeeff' \
-netdev 'type=tap,id=net0,ifname=tap8006i0,script=/usr/libexec/qemu-server/pve-bridge,downscript=/usr/libexec/qemu-server/pve-bridgedown,vhost=on' \
- -device 'virtio-net-pci,mac=A2:C0:43:77:08:A0,netdev=net0,bus=pci.0,addr=0x12,id=net0,rx_queue_size=1024,tx_queue_size=256,bootindex=300,host_mtu=900' \
+ -device 'virtio-net-pci,mac=A2:C0:43:77:08:A0,netdev=net0,bus=pci.0,addr=0x12,id=net0,rx_queue_size=1024,tx_queue_size=256,bootindex=300,host_mtu=900,host_tunnel=off' \
-machine 'hpet=off,type=pc+pve0'
diff --git a/src/test/cfg2cmd/netdev_vxlan.conf.cmd b/src/test/cfg2cmd/netdev_vxlan.conf.cmd
index 3d48c3f5..7d353f3d 100644
--- a/src/test/cfg2cmd/netdev_vxlan.conf.cmd
+++ b/src/test/cfg2cmd/netdev_vxlan.conf.cmd
@@ -24,5 +24,5 @@
-device 'virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3,free-page-reporting=on' \
-iscsi 'initiator-name=iqn.1993-08.org.debian:01:aabbccddeeff' \
-netdev 'type=tap,id=net0,ifname=tap8006i0,script=/usr/libexec/qemu-server/pve-bridge,downscript=/usr/libexec/qemu-server/pve-bridgedown,vhost=on' \
- -device 'virtio-net-pci,mac=A2:C0:43:77:08:A0,netdev=net0,bus=pci.0,addr=0x12,id=net0,rx_queue_size=1024,tx_queue_size=256,bootindex=300,host_mtu=1450' \
+ -device 'virtio-net-pci,mac=A2:C0:43:77:08:A0,netdev=net0,bus=pci.0,addr=0x12,id=net0,rx_queue_size=1024,tx_queue_size=256,bootindex=300,host_mtu=1450,host_tunnel=off' \
-machine 'hpet=off,type=pc+pve0'
diff --git a/src/test/cfg2cmd/q35-ide.conf.cmd b/src/test/cfg2cmd/q35-ide.conf.cmd
index f8f4b40e..ef818519 100644
--- a/src/test/cfg2cmd/q35-ide.conf.cmd
+++ b/src/test/cfg2cmd/q35-ide.conf.cmd
@@ -41,5 +41,5 @@
-blockdev '{"detect-zeroes":"on","discard":"ignore","driver":"throttle","file":{"cache":{"direct":true,"no-flush":false},"detect-zeroes":"on","discard":"ignore","driver":"qcow2","file":{"aio":"io_uring","cache":{"direct":true,"no-flush":false},"detect-zeroes":"on","discard":"ignore","driver":"file","filename":"/var/lib/vz/images/100/vm-100-disk-2.qcow2","node-name":"ec11e0572184321efc5835152b95d5d","read-only":false},"node-name":"fc11e0572184321efc5835152b95d5d","read-only":false},"node-name":"drive-scsi0","read-only":false,"throttle-group":"throttle-drive-scsi0"}' \
-device 'scsi-hd,bus=scsihw0.0,channel=0,scsi-id=0,lun=0,drive=drive-scsi0,id=scsi0,device_id=drive-scsi0,bootindex=100,write-cache=on' \
-netdev 'type=tap,id=net0,ifname=tap8006i0,script=/usr/libexec/qemu-server/pve-bridge,downscript=/usr/libexec/qemu-server/pve-bridgedown,vhost=on' \
- -device 'virtio-net-pci,mac=2E:01:68:F9:9C:87,netdev=net0,bus=pci.0,addr=0x12,id=net0,rx_queue_size=1024,tx_queue_size=256,bootindex=300,host_mtu=1500' \
+ -device 'virtio-net-pci,mac=2E:01:68:F9:9C:87,netdev=net0,bus=pci.0,addr=0x12,id=net0,rx_queue_size=1024,tx_queue_size=256,bootindex=300,host_mtu=1500,host_tunnel=off' \
-machine 'hpet=off,type=q35+pve0'
diff --git a/src/test/cfg2cmd/q35-linux-hostpci-driver-keep.conf.cmd b/src/test/cfg2cmd/q35-linux-hostpci-driver-keep.conf.cmd
index c2418561..3039662f 100644
--- a/src/test/cfg2cmd/q35-linux-hostpci-driver-keep.conf.cmd
+++ b/src/test/cfg2cmd/q35-linux-hostpci-driver-keep.conf.cmd
@@ -40,5 +40,5 @@
-device 'virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3,free-page-reporting=on' \
-iscsi 'initiator-name=iqn.1993-08.org.debian:01:aabbccddeeff' \
-netdev 'type=tap,id=net0,ifname=tap8006i0,script=/usr/libexec/qemu-server/pve-bridge,downscript=/usr/libexec/qemu-server/pve-bridgedown,vhost=on' \
- -device 'virtio-net-pci,mac=2E:01:68:F9:9C:87,netdev=net0,bus=pci.0,addr=0x12,id=net0,rx_queue_size=1024,tx_queue_size=256,bootindex=300,host_mtu=1500' \
+ -device 'virtio-net-pci,mac=2E:01:68:F9:9C:87,netdev=net0,bus=pci.0,addr=0x12,id=net0,rx_queue_size=1024,tx_queue_size=256,bootindex=300,host_mtu=1500,host_tunnel=off' \
-machine 'pflash0=pflash0,pflash1=drive-efidisk0,hpet=off,type=q35+pve0'
diff --git a/src/test/cfg2cmd/q35-linux-hostpci-mapping.conf.cmd b/src/test/cfg2cmd/q35-linux-hostpci-mapping.conf.cmd
index b5a8c246..81aa6cff 100644
--- a/src/test/cfg2cmd/q35-linux-hostpci-mapping.conf.cmd
+++ b/src/test/cfg2cmd/q35-linux-hostpci-mapping.conf.cmd
@@ -35,5 +35,5 @@
-device 'virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3,free-page-reporting=on' \
-iscsi 'initiator-name=iqn.1993-08.org.debian:01:aabbccddeeff' \
-netdev 'type=tap,id=net0,ifname=tap8006i0,script=/usr/libexec/qemu-server/pve-bridge,downscript=/usr/libexec/qemu-server/pve-bridgedown,vhost=on' \
- -device 'virtio-net-pci,mac=2E:01:68:F9:9C:87,netdev=net0,bus=pci.0,addr=0x12,id=net0,rx_queue_size=1024,tx_queue_size=256,bootindex=300,host_mtu=1500' \
+ -device 'virtio-net-pci,mac=2E:01:68:F9:9C:87,netdev=net0,bus=pci.0,addr=0x12,id=net0,rx_queue_size=1024,tx_queue_size=256,bootindex=300,host_mtu=1500,host_tunnel=off' \
-machine 'pflash0=pflash0,pflash1=drive-efidisk0,hpet=off,type=q35+pve0'
diff --git a/src/test/cfg2cmd/q35-linux-hostpci-multifunction.conf.cmd b/src/test/cfg2cmd/q35-linux-hostpci-multifunction.conf.cmd
index d49353ee..255f2b01 100644
--- a/src/test/cfg2cmd/q35-linux-hostpci-multifunction.conf.cmd
+++ b/src/test/cfg2cmd/q35-linux-hostpci-multifunction.conf.cmd
@@ -35,5 +35,5 @@
-device 'virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3,free-page-reporting=on' \
-iscsi 'initiator-name=iqn.1993-08.org.debian:01:aabbccddeeff' \
-netdev 'type=tap,id=net0,ifname=tap8006i0,script=/usr/libexec/qemu-server/pve-bridge,downscript=/usr/libexec/qemu-server/pve-bridgedown,vhost=on' \
- -device 'virtio-net-pci,mac=2E:01:68:F9:9C:87,netdev=net0,bus=pci.0,addr=0x12,id=net0,rx_queue_size=1024,tx_queue_size=256,bootindex=300,host_mtu=1500' \
+ -device 'virtio-net-pci,mac=2E:01:68:F9:9C:87,netdev=net0,bus=pci.0,addr=0x12,id=net0,rx_queue_size=1024,tx_queue_size=256,bootindex=300,host_mtu=1500,host_tunnel=off' \
-machine 'pflash0=pflash0,pflash1=drive-efidisk0,hpet=off,type=q35+pve0'
diff --git a/src/test/cfg2cmd/q35-linux-hostpci-x-pci-overrides.conf.cmd b/src/test/cfg2cmd/q35-linux-hostpci-x-pci-overrides.conf.cmd
index 8efda601..d0e25609 100644
--- a/src/test/cfg2cmd/q35-linux-hostpci-x-pci-overrides.conf.cmd
+++ b/src/test/cfg2cmd/q35-linux-hostpci-x-pci-overrides.conf.cmd
@@ -34,5 +34,5 @@
-device 'virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3,free-page-reporting=on' \
-iscsi 'initiator-name=iqn.1993-08.org.debian:01:aabbccddeeff' \
-netdev 'type=tap,id=net0,ifname=tap8006i0,script=/usr/libexec/qemu-server/pve-bridge,downscript=/usr/libexec/qemu-server/pve-bridgedown,vhost=on' \
- -device 'virtio-net-pci,mac=2E:01:68:F9:9C:87,netdev=net0,bus=pci.0,addr=0x12,id=net0,rx_queue_size=1024,tx_queue_size=256,bootindex=300,host_mtu=1500' \
+ -device 'virtio-net-pci,mac=2E:01:68:F9:9C:87,netdev=net0,bus=pci.0,addr=0x12,id=net0,rx_queue_size=1024,tx_queue_size=256,bootindex=300,host_mtu=1500,host_tunnel=off' \
-machine 'pflash0=pflash0,pflash1=drive-efidisk0,hpet=off,type=q35+pve0'
diff --git a/src/test/cfg2cmd/q35-linux-hostpci.conf.cmd b/src/test/cfg2cmd/q35-linux-hostpci.conf.cmd
index c2418561..3039662f 100644
--- a/src/test/cfg2cmd/q35-linux-hostpci.conf.cmd
+++ b/src/test/cfg2cmd/q35-linux-hostpci.conf.cmd
@@ -40,5 +40,5 @@
-device 'virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3,free-page-reporting=on' \
-iscsi 'initiator-name=iqn.1993-08.org.debian:01:aabbccddeeff' \
-netdev 'type=tap,id=net0,ifname=tap8006i0,script=/usr/libexec/qemu-server/pve-bridge,downscript=/usr/libexec/qemu-server/pve-bridgedown,vhost=on' \
- -device 'virtio-net-pci,mac=2E:01:68:F9:9C:87,netdev=net0,bus=pci.0,addr=0x12,id=net0,rx_queue_size=1024,tx_queue_size=256,bootindex=300,host_mtu=1500' \
+ -device 'virtio-net-pci,mac=2E:01:68:F9:9C:87,netdev=net0,bus=pci.0,addr=0x12,id=net0,rx_queue_size=1024,tx_queue_size=256,bootindex=300,host_mtu=1500,host_tunnel=off' \
-machine 'pflash0=pflash0,pflash1=drive-efidisk0,hpet=off,type=q35+pve0'
diff --git a/src/test/cfg2cmd/q35-simple.conf.cmd b/src/test/cfg2cmd/q35-simple.conf.cmd
index e65e52e0..7a3bc4d6 100644
--- a/src/test/cfg2cmd/q35-simple.conf.cmd
+++ b/src/test/cfg2cmd/q35-simple.conf.cmd
@@ -28,5 +28,5 @@
-device 'virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3,free-page-reporting=on' \
-iscsi 'initiator-name=iqn.1993-08.org.debian:01:aabbccddeeff' \
-netdev 'type=tap,id=net0,ifname=tap8006i0,script=/usr/libexec/qemu-server/pve-bridge,downscript=/usr/libexec/qemu-server/pve-bridgedown,vhost=on' \
- -device 'virtio-net-pci,mac=2E:01:68:F9:9C:87,netdev=net0,bus=pci.0,addr=0x12,id=net0,rx_queue_size=1024,tx_queue_size=256,bootindex=300,host_mtu=1500' \
+ -device 'virtio-net-pci,mac=2E:01:68:F9:9C:87,netdev=net0,bus=pci.0,addr=0x12,id=net0,rx_queue_size=1024,tx_queue_size=256,bootindex=300,host_mtu=1500,host_tunnel=off' \
-machine 'pflash0=pflash0,pflash1=drive-efidisk0,hpet=off,type=q35+pve0'
diff --git a/src/test/cfg2cmd/seabios_serial.conf.cmd b/src/test/cfg2cmd/seabios_serial.conf.cmd
index e0f45e93..7a7df5bb 100644
--- a/src/test/cfg2cmd/seabios_serial.conf.cmd
+++ b/src/test/cfg2cmd/seabios_serial.conf.cmd
@@ -31,5 +31,5 @@
-blockdev '{"detect-zeroes":"unmap","discard":"unmap","driver":"throttle","file":{"cache":{"direct":true,"no-flush":false},"detect-zeroes":"unmap","discard":"unmap","driver":"qcow2","file":{"aio":"io_uring","cache":{"direct":true,"no-flush":false},"detect-zeroes":"unmap","discard":"unmap","driver":"file","filename":"/var/lib/vz/images/8006/vm-8006-disk-0.qcow2","node-name":"ecd04be4259153b8293415fefa2a84c","read-only":false},"node-name":"fcd04be4259153b8293415fefa2a84c","read-only":false},"node-name":"drive-scsi0","read-only":false,"throttle-group":"throttle-drive-scsi0"}' \
-device 'scsi-hd,bus=scsihw0.0,channel=0,scsi-id=0,lun=0,drive=drive-scsi0,id=scsi0,device_id=drive-scsi0,bootindex=100,write-cache=on' \
-netdev 'type=tap,id=net0,ifname=tap8006i0,script=/usr/libexec/qemu-server/pve-bridge,downscript=/usr/libexec/qemu-server/pve-bridgedown,vhost=on' \
- -device 'virtio-net-pci,mac=A2:C0:43:77:08:A0,netdev=net0,bus=pci.0,addr=0x12,id=net0,rx_queue_size=1024,tx_queue_size=256,bootindex=300,host_mtu=1500' \
+ -device 'virtio-net-pci,mac=A2:C0:43:77:08:A0,netdev=net0,bus=pci.0,addr=0x12,id=net0,rx_queue_size=1024,tx_queue_size=256,bootindex=300,host_mtu=1500,host_tunnel=off' \
-machine 'hpet=off,smm=off,type=pc+pve0'
diff --git a/src/test/cfg2cmd/simple-btrfs.conf.cmd b/src/test/cfg2cmd/simple-btrfs.conf.cmd
index 8bd3c9cf..ab2e2567 100644
--- a/src/test/cfg2cmd/simple-btrfs.conf.cmd
+++ b/src/test/cfg2cmd/simple-btrfs.conf.cmd
@@ -40,5 +40,5 @@
-blockdev '{"detect-zeroes":"unmap","discard":"unmap","driver":"throttle","file":{"cache":{"direct":true,"no-flush":false},"detect-zeroes":"unmap","discard":"unmap","driver":"raw","file":{"aio":"io_uring","cache":{"direct":true,"no-flush":false},"detect-zeroes":"unmap","discard":"unmap","driver":"file","filename":"/butter/bread/images/8006/vm-8006-disk-0/disk.raw","node-name":"e7487c01d831e2b51a5446980170ec9","read-only":false},"node-name":"f7487c01d831e2b51a5446980170ec9","read-only":false},"node-name":"drive-scsi3","read-only":false,"throttle-group":"throttle-drive-scsi3"}' \
-device 'scsi-hd,bus=scsihw0.0,channel=0,scsi-id=0,lun=3,drive=drive-scsi3,id=scsi3,device_id=drive-scsi3,write-cache=off' \
-netdev 'type=tap,id=net0,ifname=tap8006i0,script=/usr/libexec/qemu-server/pve-bridge,downscript=/usr/libexec/qemu-server/pve-bridgedown,vhost=on' \
- -device 'virtio-net-pci,mac=A2:C0:43:77:08:A0,netdev=net0,bus=pci.0,addr=0x12,id=net0,rx_queue_size=1024,tx_queue_size=256,bootindex=300,host_mtu=1500' \
+ -device 'virtio-net-pci,mac=A2:C0:43:77:08:A0,netdev=net0,bus=pci.0,addr=0x12,id=net0,rx_queue_size=1024,tx_queue_size=256,bootindex=300,host_mtu=1500,host_tunnel=off' \
-machine 'hpet=off,type=pc+pve0'
diff --git a/src/test/cfg2cmd/simple-disk-passthrough.conf.cmd b/src/test/cfg2cmd/simple-disk-passthrough.conf.cmd
index ab4d569e..e294a576 100644
--- a/src/test/cfg2cmd/simple-disk-passthrough.conf.cmd
+++ b/src/test/cfg2cmd/simple-disk-passthrough.conf.cmd
@@ -36,5 +36,5 @@
-blockdev '{"detect-zeroes":"on","discard":"ignore","driver":"throttle","file":{"cache":{"direct":true,"no-flush":false},"detect-zeroes":"on","discard":"ignore","driver":"raw","file":{"aio":"io_uring","cache":{"direct":true,"no-flush":false},"detect-zeroes":"on","discard":"ignore","driver":"file","filename":"/mnt/file.raw","node-name":"e234a4e3b89ac3adac9bdbf0c3dd6b4","read-only":false},"node-name":"f234a4e3b89ac3adac9bdbf0c3dd6b4","read-only":false},"node-name":"drive-scsi1","read-only":false,"throttle-group":"throttle-drive-scsi1"}' \
-device 'scsi-hd,bus=scsihw0.0,channel=0,scsi-id=0,lun=1,drive=drive-scsi1,id=scsi1,device_id=drive-scsi1,write-cache=on' \
-netdev 'type=tap,id=net0,ifname=tap8006i0,script=/usr/libexec/qemu-server/pve-bridge,downscript=/usr/libexec/qemu-server/pve-bridgedown,vhost=on' \
- -device 'virtio-net-pci,mac=A2:C0:43:77:08:A0,netdev=net0,bus=pci.0,addr=0x12,id=net0,rx_queue_size=1024,tx_queue_size=256,bootindex=300,host_mtu=1500' \
+ -device 'virtio-net-pci,mac=A2:C0:43:77:08:A0,netdev=net0,bus=pci.0,addr=0x12,id=net0,rx_queue_size=1024,tx_queue_size=256,bootindex=300,host_mtu=1500,host_tunnel=off' \
-machine 'hpet=off,type=pc+pve0'
diff --git a/src/test/cfg2cmd/simple-rbd.conf.cmd b/src/test/cfg2cmd/simple-rbd.conf.cmd
index e4c48d86..57d8a881 100644
--- a/src/test/cfg2cmd/simple-rbd.conf.cmd
+++ b/src/test/cfg2cmd/simple-rbd.conf.cmd
@@ -52,5 +52,5 @@
-blockdev '{"detect-zeroes":"unmap","discard":"unmap","driver":"throttle","file":{"cache":{"direct":true,"no-flush":false},"detect-zeroes":"unmap","discard":"unmap","driver":"raw","file":{"aio":"io_uring","cache":{"direct":true,"no-flush":false},"detect-zeroes":"unmap","discard":"unmap","driver":"host_device","filename":"/dev/rbd-pve/fc4181a6-56eb-4f68-b452-8ba1f381ca2a/cpool/vm-8006-disk-0","node-name":"eb0b017124a47505c97a5da052e0141","read-only":false},"node-name":"fb0b017124a47505c97a5da052e0141","read-only":false},"node-name":"drive-scsi7","read-only":false,"throttle-group":"throttle-drive-scsi7"}' \
-device 'scsi-hd,bus=scsihw0.0,channel=0,scsi-id=0,lun=7,drive=drive-scsi7,id=scsi7,device_id=drive-scsi7,write-cache=off' \
-netdev 'type=tap,id=net0,ifname=tap8006i0,script=/usr/libexec/qemu-server/pve-bridge,downscript=/usr/libexec/qemu-server/pve-bridgedown,vhost=on' \
- -device 'virtio-net-pci,mac=A2:C0:43:77:08:A0,netdev=net0,bus=pci.0,addr=0x12,id=net0,rx_queue_size=1024,tx_queue_size=256,bootindex=300,host_mtu=1500' \
+ -device 'virtio-net-pci,mac=A2:C0:43:77:08:A0,netdev=net0,bus=pci.0,addr=0x12,id=net0,rx_queue_size=1024,tx_queue_size=256,bootindex=300,host_mtu=1500,host_tunnel=off' \
-machine 'hpet=off,type=pc+pve0'
diff --git a/src/test/cfg2cmd/simple-virtio-blk.conf.cmd b/src/test/cfg2cmd/simple-virtio-blk.conf.cmd
index 5cb98a24..f0370bdb 100644
--- a/src/test/cfg2cmd/simple-virtio-blk.conf.cmd
+++ b/src/test/cfg2cmd/simple-virtio-blk.conf.cmd
@@ -31,5 +31,5 @@
-blockdev '{"detect-zeroes":"unmap","discard":"unmap","driver":"throttle","file":{"cache":{"direct":true,"no-flush":false},"detect-zeroes":"unmap","discard":"unmap","driver":"qcow2","file":{"aio":"io_uring","cache":{"direct":true,"no-flush":false},"detect-zeroes":"unmap","discard":"unmap","driver":"file","filename":"/var/lib/vz/images/8006/vm-8006-disk-0.qcow2","node-name":"edd19f6c1b3a6d5a6248c3376a91a16","read-only":false},"node-name":"fdd19f6c1b3a6d5a6248c3376a91a16","read-only":false},"node-name":"drive-virtio0","read-only":false,"throttle-group":"throttle-drive-virtio0"}' \
-device 'virtio-blk-pci,drive=drive-virtio0,id=virtio0,bus=pci.0,addr=0xa,iothread=iothread-virtio0,bootindex=100,write-cache=on' \
-netdev 'type=tap,id=net0,ifname=tap8006i0,script=/usr/libexec/qemu-server/pve-bridge,downscript=/usr/libexec/qemu-server/pve-bridgedown,vhost=on' \
- -device 'virtio-net-pci,mac=A2:C0:43:77:08:A0,netdev=net0,bus=pci.0,addr=0x12,id=net0,rx_queue_size=1024,tx_queue_size=256,bootindex=300,host_mtu=1500' \
+ -device 'virtio-net-pci,mac=A2:C0:43:77:08:A0,netdev=net0,bus=pci.0,addr=0x12,id=net0,rx_queue_size=1024,tx_queue_size=256,bootindex=300,host_mtu=1500,host_tunnel=off' \
-machine 'hpet=off,type=pc+pve0'
diff --git a/src/test/cfg2cmd/simple-zfs-over-iscsi.conf.cmd b/src/test/cfg2cmd/simple-zfs-over-iscsi.conf.cmd
index 37d26dd1..04a20eda 100644
--- a/src/test/cfg2cmd/simple-zfs-over-iscsi.conf.cmd
+++ b/src/test/cfg2cmd/simple-zfs-over-iscsi.conf.cmd
@@ -40,5 +40,5 @@
-blockdev '{"detect-zeroes":"unmap","discard":"unmap","driver":"throttle","file":{"cache":{"direct":true,"no-flush":false},"detect-zeroes":"unmap","discard":"unmap","driver":"raw","file":{"cache":{"direct":true,"no-flush":false},"detect-zeroes":"unmap","discard":"unmap","driver":"iscsi","lun":0,"node-name":"e915a332310039f7a3feed6901eb5da","portal":"127.0.0.1","read-only":false,"target":"iqn.2019-10.org.test:foobar","transport":"tcp"},"node-name":"f915a332310039f7a3feed6901eb5da","read-only":false},"node-name":"drive-scsi3","read-only":false,"throttle-group":"throttle-drive-scsi3"}' \
-device 'scsi-hd,bus=scsihw0.0,channel=0,scsi-id=0,lun=3,drive=drive-scsi3,id=scsi3,device_id=drive-scsi3,write-cache=off' \
-netdev 'type=tap,id=net0,ifname=tap8006i0,script=/usr/libexec/qemu-server/pve-bridge,downscript=/usr/libexec/qemu-server/pve-bridgedown,vhost=on' \
- -device 'virtio-net-pci,mac=A2:C0:43:77:08:A0,netdev=net0,bus=pci.0,addr=0x12,id=net0,rx_queue_size=1024,tx_queue_size=256,bootindex=300,host_mtu=1500' \
+ -device 'virtio-net-pci,mac=A2:C0:43:77:08:A0,netdev=net0,bus=pci.0,addr=0x12,id=net0,rx_queue_size=1024,tx_queue_size=256,bootindex=300,host_mtu=1500,host_tunnel=off' \
-machine 'hpet=off,type=pc+pve0'
diff --git a/src/test/cfg2cmd/simple1.conf.cmd b/src/test/cfg2cmd/simple1.conf.cmd
index e6240b90..924d8041 100644
--- a/src/test/cfg2cmd/simple1.conf.cmd
+++ b/src/test/cfg2cmd/simple1.conf.cmd
@@ -31,5 +31,5 @@
-blockdev '{"detect-zeroes":"unmap","discard":"unmap","driver":"throttle","file":{"cache":{"direct":true,"no-flush":false},"detect-zeroes":"unmap","discard":"unmap","driver":"qcow2","file":{"aio":"io_uring","cache":{"direct":true,"no-flush":false},"detect-zeroes":"unmap","discard":"unmap","driver":"file","filename":"/var/lib/vz/images/8006/vm-8006-disk-0.qcow2","node-name":"ecd04be4259153b8293415fefa2a84c","read-only":false},"node-name":"fcd04be4259153b8293415fefa2a84c","read-only":false},"node-name":"drive-scsi0","read-only":false,"throttle-group":"throttle-drive-scsi0"}' \
-device 'scsi-hd,bus=scsihw0.0,channel=0,scsi-id=0,lun=0,drive=drive-scsi0,id=scsi0,device_id=drive-scsi0,bootindex=100,write-cache=on' \
-netdev 'type=tap,id=net0,ifname=tap8006i0,script=/usr/libexec/qemu-server/pve-bridge,downscript=/usr/libexec/qemu-server/pve-bridgedown,vhost=on' \
- -device 'virtio-net-pci,mac=A2:C0:43:77:08:A0,netdev=net0,bus=pci.0,addr=0x12,id=net0,rx_queue_size=1024,tx_queue_size=256,bootindex=300,host_mtu=1500' \
+ -device 'virtio-net-pci,mac=A2:C0:43:77:08:A0,netdev=net0,bus=pci.0,addr=0x12,id=net0,rx_queue_size=1024,tx_queue_size=256,bootindex=300,host_mtu=1500,host_tunnel=off' \
-machine 'hpet=off,type=pc+pve0'
--
2.47.3
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