diff --git a/tests/system-dpdk.at b/tests/system-dpdk.at
index f635d7f9251..c125d8051f4 100644
--- a/tests/system-dpdk.at
+++ b/tests/system-dpdk.at
@@ -640,9 +640,7 @@ AT_CHECK([grep "VHOST_CONFIG: ($OVS_RUNDIR/dpdkvhostclient0) vhost-user client:
 AT_CHECK([grep "vHost User device 'dpdkvhostuserclient0' created in 'client' mode, using client socket" ovs-vswitchd.log], [], [stdout])
 AT_CHECK([grep "VHOST_CONFIG: ($OVS_RUNDIR/dpdkvhostclient0) reconnecting..." ovs-vswitchd.log], [], [stdout])
 
-OVS_DPDK_START_TESTPMD([--vdev="net_virtio_user,path=$OVS_RUNDIR/dpdkvhostclient0,server=1" \
-                        --vdev="net_tap0,iface=tap0"])
-
+OVS_DPDK_START_TESTPMD([--vdev="net_virtio_user,path=$OVS_RUNDIR/dpdkvhostclient0,server=1"])
 OVS_WAIT_UNTIL([grep "virtio is now ready for processing" ovs-vswitchd.log])
 OVS_WAIT_UNTIL([ovs-vsctl get Interface dpdkvhostuserclient0 link_state | grep -w up])
 
@@ -690,9 +688,7 @@ AT_CHECK([grep "VHOST_CONFIG: ($OVS_RUNDIR/dpdkvhostclient0) vhost-user client:
 AT_CHECK([grep "vHost User device 'dpdkvhostuserclient0' created in 'client' mode, using client socket" ovs-vswitchd.log], [], [stdout])
 AT_CHECK([grep "VHOST_CONFIG: ($OVS_RUNDIR/dpdkvhostclient0) reconnecting..." ovs-vswitchd.log], [], [stdout])
 
-OVS_DPDK_START_TESTPMD([--vdev="net_virtio_user,path=$OVS_RUNDIR/dpdkvhostclient0,server=1" \
-                        --vdev="net_tap0,iface=tap0"])
-
+OVS_DPDK_START_TESTPMD([--vdev="net_virtio_user,path=$OVS_RUNDIR/dpdkvhostclient0,server=1"])
 OVS_WAIT_UNTIL([grep "virtio is now ready for processing" ovs-vswitchd.log])
 OVS_WAIT_UNTIL([ovs-vsctl get Interface dpdkvhostuserclient0 link_state | grep -w up])
 
@@ -817,8 +813,7 @@ AT_CHECK([ovs-vsctl set Interface dpdkvhostuserclient0 mtu_request=9702])
 AT_CHECK([ovs-vsctl show], [], [stdout])
 sleep 2
 
-OVS_DPDK_START_TESTPMD([--vdev="net_virtio_user,path=$OVS_RUNDIR/dpdkvhostclient0,server=1" \
-                        --vdev="net_tap0,iface=tap0"])
+OVS_DPDK_START_TESTPMD([--vdev="net_virtio_user,path=$OVS_RUNDIR/dpdkvhostclient0,server=1"])
 
 OVS_WAIT_UNTIL([grep "virtio is now ready for processing" ovs-vswitchd.log])
 OVS_WAIT_UNTIL([ovs-vsctl get Interface dpdkvhostuserclient0 link_state | grep -w up])
@@ -866,8 +861,7 @@ AT_CHECK([grep "VHOST_CONFIG: ($OVS_RUNDIR/dpdkvhostclient0) vhost-user client:
 AT_CHECK([grep "vHost User device 'dpdkvhostuserclient0' created in 'client' mode, using client socket" ovs-vswitchd.log], [], [stdout])
 AT_CHECK([grep "VHOST_CONFIG: ($OVS_RUNDIR/dpdkvhostclient0) reconnecting..." ovs-vswitchd.log], [], [stdout])
 
-OVS_DPDK_START_TESTPMD([--vdev="net_virtio_user,path=$OVS_RUNDIR/dpdkvhostclient0,server=1" \
-                        --vdev="net_tap0,iface=tap0"])
+OVS_DPDK_START_TESTPMD([--vdev="net_virtio_user,path=$OVS_RUNDIR/dpdkvhostclient0,server=1"])
 
 OVS_WAIT_UNTIL([grep "virtio is now ready for processing" ovs-vswitchd.log])
 OVS_WAIT_UNTIL([ovs-vsctl get Interface dpdkvhostuserclient0 link_state | grep -w up])