diff --git a/test_plans/virtio_event_idx_interrupt_cbdma_test_plan.rst b/test_plans/virtio_event_idx_interrupt_cbdma_test_plan.rst
index 0926e052..d8694ad5 100644
--- a/test_plans/virtio_event_idx_interrupt_cbdma_test_plan.rst
+++ b/test_plans/virtio_event_idx_interrupt_cbdma_test_plan.rst
@@ -12,10 +12,11 @@ This feature is to suppress interrupts for performance improvement, need compare
 interrupt times with and without virtio event idx enabled. This test plan test
 virtio event idx interrupt with cbdma enable. Also need cover driver reload test.
 
-..Note:
-1.For packed virtqueue virtio-net test, need qemu version > 4.2.0 and VM kernel version > 5.1, and packed ring multi-queues not support reconnect in qemu yet.
-2.For split virtqueue virtio-net with multi-queues server mode test, need qemu version >= 5.2.0, dut to old qemu exist reconnect issue when multi-queues test.
-3.DPDK local patch that about vhost pmd is needed when testing Vhost asynchronous data path with testpmd.
+.. note::
+
+   1.For packed virtqueue virtio-net test, need qemu version > 4.2.0 and VM kernel version > 5.1, and packed ring multi-queues not support reconnect in qemu yet.
+   2.For split virtqueue virtio-net with multi-queues server mode test, need qemu version >= 5.2.0, dut to old qemu exist reconnect issue when multi-queues test.
+   3.DPDK local patch that about vhost pmd is needed when testing Vhost asynchronous data path with testpmd.
 
 Prerequisites
 =============
@@ -53,27 +54,29 @@ General set up
 Test case
 =========
 
-Test Case1: Split ring virtio-pci driver reload test with CBDMA enable
-----------------------------------------------------------------------
-This case tests split ring event idx interrupt mode workable after reload virtio-pci driver several times when vhost uses the asynchronous operations with CBDMA channels.
+Test Case 1: Split ring virtio-pci driver reload test with CBDMA enable
+-----------------------------------------------------------------------
+This case tests split ring event idx interrupt mode workable after reload
+virtio-pci driver several times when vhost uses the asynchronous
+operations with CBDMA channels.
 
 1. Bind one nic port and one cbdma channel to vfio-pci, then launch the vhost sample by below commands::
 
     rm -rf vhost-net*
     ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -c 0xF0000000 -n 4 --file-prefix=vhost \
-    --vdev 'net_vhost,iface=vhost-net,queues=1,dmas=[txq0;rxq0]' \
-    -- -i --nb-cores=1 --txd=1024 --rxd=1024 --lcore-dma=[lcore29@0000:00:04.0]
+    --vdev 'net_vhost,iface=vhost-net,queues=1,dmas=[txq0@0000:00:04.0;rxq0@0000:00:04.0]' \
+    -- -i --nb-cores=1 --txd=1024 --rxd=1024
     testpmd> start
 
 2. Launch VM::
 
-	taskset -c 32-33 \
-	qemu-system-x86_64 -name us-vhost-vm1 \
+	taskset -c 32-33 qemu-system-x86_64 -name vm1 \
 	-cpu host -enable-kvm -m 2048 -object memory-backend-file,id=mem,size=2048M,mem-path=/mnt/huge,share=on -numa node,memdev=mem -mem-prealloc \
-	-smp cores=1,sockets=1 -drive file=/home/osimg/ubuntu2004_1.img \
-	-monitor unix:/tmp/vm2_monitor.sock,server,nowait -device e1000,netdev=nttsip1 \
-	-netdev user,id=nttsip1,hostfwd=tcp:127.0.0.1:6000-:22 \
-	-chardev socket,id=char1,path=./vhost-net -netdev type=vhost-user,id=mynet1,chardev=char1,vhostforce \
+	-smp cores=1,sockets=1 -drive file=/home/osimg/ubuntu2004.img \
+	-monitor unix:/tmp/vm2_monitor.sock,server,nowait \
+	-device e1000,netdev=nttsip1 -netdev user,id=nttsip1,hostfwd=tcp:127.0.0.1:6000-:22 \
+	-chardev socket,id=char1,path=./vhost-net \
+	-netdev type=vhost-user,id=mynet1,chardev=char1,vhostforce \
 	-device virtio-net-pci,mac=52:54:00:00:00:02,netdev=mynet1,mrg_rxbuf=on,csum=on,gso=on,guest_csum=on,host_tso4=on,guest_tso4=on,guest_ecn=on  \
 	-vnc :11 -daemonize
 
@@ -95,30 +98,29 @@ This case tests split ring event idx interrupt mode workable after reload virtio
 
 6. Rerun step4 and step5 10 times to check event idx workable after driver reload.
 
-Test Case2: Split ring 16 queues virtio-net event idx interrupt mode test with cbdma enable
--------------------------------------------------------------------------------------------
-This case tests the split ring virtio-net event idx interrupt with 16 queues and when vhost uses the asynchronous operations with CBDMA channels.
+Test Case 2: Split ring 16 queues virtio-net event idx interrupt mode test with cbdma enable
+--------------------------------------------------------------------------------------------
+This case tests the split ring virtio-net event idx interrupt with 16 queues and when
+vhost uses the asynchronous operations with CBDMA channels.
 
-1. Bind one nic port and 16 cbdma channels to vfio-pci, then launch the vhost sample by below commands::
+1. Bind one nic port and 4 cbdma channels to vfio-pci, then launch the vhost sample by below commands::
 
     rm -rf vhost-net*
     ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -l 1-17 -n 4 --file-prefix=vhost \
-    --vdev 'net_vhost,iface=vhost-net,queues=16,client=1,dmas=[txq0;txq1;txq2;txq3;txq4;txq5;txq6;txq7;txq8;txq9;txq10;txq11;txq12;txq13;txq14;txq15;rxq0;rxq1;rxq2;rxq3;rxq4;rxq5;rxq6;rxq7;rxq8;rxq9;rxq10;rxq11;rxq12;rxq13;rxq14;rxq15]' \
-    -- -i --nb-cores=16 --txd=1024 --rxd=1024 --rxq=16 --txq=16 \
-    --lcore-dma=[lcore2@0000:00:04.0,lcore3@0000:00:04.1,lcore4@0000:00:04.2,lcore5@0000:00:04.3,lcore6@0000:00:04.4,lcore7@0000:00:04.5,lcore8@0000:00:04.6,lcore9@0000:00:04.7,\
-	lcore10@0000:80:04.0,lcore11@0000:80:04.1,lcore12@0000:80:04.2,lcore13@0000:80:04.3,lcore14@0000:80:04.4,lcore15@0000:80:04.5,lcore16@0000:80:04.6,lcore17@0000:80:04.7]
+    --vdev 'net_vhost,iface=vhost-net,queues=16,client=1,dmas=[txq0@0000:00:04.0;txq1@0000:00:04.0;txq2@0000:00:04.0;txq3@0000:00:04.0;txq4@0000:00:04.0;txq5@0000:00:04.0;txq6@0000:00:04.0;txq7@0000:00:04.0;txq8@0000:00:04.1;txq9@0000:00:04.1;txq10@0000:00:04.1;txq11@0000:00:04.1;txq12@0000:00:04.1;txq13@0000:00:04.1;txq14@0000:00:04.1;txq15@0000:00:04.1;rxq0@0000:00:04.2;rxq1@0000:00:04.2;rxq2@0000:00:04.2;rxq3@0000:00:04.2;rxq4@0000:00:04.2;rxq5@0000:00:04.2;rxq6@0000:00:04.2;rxq7@0000:00:04.2;rxq8@0000:00:04.3;rxq9@0000:00:04.3;rxq10@0000:00:04.3;rxq11@0000:00:04.3;rxq12@0000:00:04.3;rxq13@0000:00:04.3;rxq14@0000:00:04.3;rxq15@0000:00:04.3]' \
+    -- -i --nb-cores=16 --txd=1024 --rxd=1024 --rxq=16 --txq=16
     testpmd> start
 
 2. Launch VM::
 
-	taskset -c 32-33 \
-	qemu-system-x86_64 -name us-vhost-vm1 \
+	taskset -c 32-33 qemu-system-x86_64 -name us-vhost-vm1 \
 	-cpu host -enable-kvm -m 2048 -object memory-backend-file,id=mem,size=2048M,mem-path=/mnt/huge,share=on -numa node,memdev=mem -mem-prealloc \
-	-smp cores=1,sockets=1 -drive file=/home/osimg/ubuntu2004_1.img \
-	-monitor unix:/tmp/vm2_monitor.sock,server,nowait -device e1000,netdev=nttsip1 \
-	-netdev user,id=nttsip1,hostfwd=tcp:127.0.0.1:6000-:22 \
-	-chardev socket,id=char1,path=./vhost-net -netdev type=vhost-user,id=mynet1,chardev=char1,vhostforce \
-	-device virtio-net-pci,mac=52:54:00:00:00:02,netdev=mynet1,mrg_rxbuf=on,csum=on,gso=on,guest_csum=on,host_tso4=on,guest_tso4=on,guest_ecn=on  \
+	-smp cores=1,sockets=1 -drive file=/home/osimg/ubuntu2004.img \
+	-monitor unix:/tmp/vm2_monitor.sock,server,nowait \
+	-device e1000,netdev=nttsip1 -netdev user,id=nttsip1,hostfwd=tcp:127.0.0.1:6000-:22 \
+	-chardev socket,id=char1,path=./vhost-net \
+	-netdev type=vhost-user,id=mynet1,chardev=char1,vhostforce \
+	-device virtio-net-pci,mac=52:54:00:00:00:02,netdev=mynet1,mrg_rxbuf=on,csum=on,gso=on,guest_csum=on,host_tso4=on,guest_tso4=on,guest_ecn=on \
 	-vnc :11 -daemonize
 
 3. On VM1, give virtio device IP and enable vitio-net with 16 quques::
@@ -136,28 +138,30 @@ This case tests the split ring virtio-net event idx interrupt with 16 queues and
     testpmd> start
     testpmd> stop
 
-Test Case3: Packed ring virtio-pci driver reload test with CBDMA enable
------------------------------------------------------------------------
-This case tests packed ring event idx interrupt mode workable after reload virtio-pci driver several times when uses the asynchronous operations with CBDMA channels.
+Test Case 3: Packed ring virtio-pci driver reload test with CBDMA enable
+------------------------------------------------------------------------
+This case tests packed ring event idx interrupt mode workable after reload
+virtio-pci driver several times when uses the asynchronous operations
+with CBDMA channels.
 
 1. Bind one nic port and one cbdma channel to vfio-pci, then launch the vhost sample by below commands::
 
     rm -rf vhost-net*
     ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -c 0xF0000000 -n 4 --file-prefix=vhost \
-    --vdev 'net_vhost,iface=vhost-net,queues=1,dmas=[txq0;rxq0]' \
-    -- -i --nb-cores=1 --txd=1024 --rxd=1024 --lcore-dma=[lcore29@0000:00:04.0]
+    --vdev 'net_vhost,iface=vhost-net,queues=1,dmas=[txq0@0000:00:04.0;rxq0@0000:00:04.0]' \
+    -- -i --nb-cores=1 --txd=1024 --rxd=1024
     testpmd> start
 
 2. Launch VM::
 
-	taskset -c 32-33 \
-	qemu-system-x86_64 -name us-vhost-vm1 \
+	taskset -c 32-33 qemu-system-x86_64 -name vm1 \
 	-cpu host -enable-kvm -m 2048 -object memory-backend-file,id=mem,size=2048M,mem-path=/mnt/huge,share=on -numa node,memdev=mem -mem-prealloc \
-	-smp cores=1,sockets=1 -drive file=/home/osimg/ubuntu2004_1.img \
-	-monitor unix:/tmp/vm2_monitor.sock,server,nowait -device e1000,netdev=nttsip1 \
-	-netdev user,id=nttsip1,hostfwd=tcp:127.0.0.1:6000-:22 \
-	-chardev socket,id=char1,path=./vhost-net -netdev type=vhost-user,id=mynet1,chardev=char1,vhostforce \
-	-device virtio-net-pci,mac=52:54:00:00:00:02,netdev=mynet1,mrg_rxbuf=on,csum=on,gso=on,guest_csum=on,host_tso4=on,guest_tso4=on,guest_ecn=on  \
+	-smp cores=1,sockets=1 -drive file=/home/osimg/ubuntu2004.img \
+	-monitor unix:/tmp/vm2_monitor.sock,server,nowait \
+	-device e1000,netdev=nttsip1 -netdev user,id=nttsip1,hostfwd=tcp:127.0.0.1:6000-:22 \
+	-chardev socket,id=char1,path=./vhost-net \
+	-netdev type=vhost-user,id=mynet1,chardev=char1,vhostforce \
+	-device virtio-net-pci,mac=52:54:00:00:00:02,netdev=mynet1,mrg_rxbuf=on,csum=on,gso=on,guest_csum=on,host_tso4=on,guest_tso4=on,guest_ecn=on \
 	-vnc :11 -daemonize
 
 3. On VM1, set virtio device IP, send 10M packets from packet generator to nic then check virtio device can receive packets::
@@ -178,30 +182,29 @@ This case tests packed ring event idx interrupt mode workable after reload virti
 
 6. Rerun step4 and step5 10 times to check event idx workable after driver reload.
 
-Test Case4: Packed ring 16 queues virtio-net event idx interrupt mode test with cbdma enable
---------------------------------------------------------------------------------------------
-This case tests the packed ring virtio-net event idx interrupt with 16 queues and when vhost uses the asynchronous operations with CBDMA channels.
+Test Case 4: Packed ring 16 queues virtio-net event idx interrupt mode test with cbdma enable
+---------------------------------------------------------------------------------------------
+This case tests the packed ring virtio-net event idx interrupt with 16 queues and when vhost
+uses the asynchronous operations with CBDMA channels.
 
-1. Bind one nic port and 16 cbdma channels to vfio-pci, then launch the vhost sample by below commands::
+1. Bind one nic port and 4 cbdma channels to vfio-pci, then launch the vhost sample by below commands::
 
     rm -rf vhost-net*
     ./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -l 1-17 -n 4 --file-prefix=vhost \
-    --vdev 'net_vhost,iface=vhost-net,queues=16,client=1,dmas=[txq0;txq1;txq2;txq3;txq4;txq5;txq6;txq7;txq8;txq9;txq10;txq11;txq12;txq13;txq14;txq15;rxq0;rxq1;rxq2;rxq3;rxq4;rxq5;rxq6;rxq7;rxq8;rxq9;rxq10;rxq11;rxq12;rxq13;rxq14;rxq15]' \
-    -- -i --nb-cores=16 --txd=1024 --rxd=1024 --rxq=16 --txq=16 \
-    --lcore-dma=[lcore2@0000:00:04.0,lcore3@0000:00:04.1,lcore4@0000:00:04.2,lcore5@0000:00:04.3,lcore6@0000:00:04.4,lcore7@0000:00:04.5,lcore8@0000:00:04.6,lcore9@0000:00:04.7,\
-	lcore10@0000:80:04.0,lcore11@0000:80:04.1,lcore12@0000:80:04.2,lcore13@0000:80:04.3,lcore14@0000:80:04.4,lcore15@0000:80:04.5,lcore15@0000:80:04.6,lcore15@0000:80:04.7]
+    --vdev 'net_vhost,iface=vhost-net,queues=16,client=1,dmas=[txq0@0000:00:04.0;txq1@0000:00:04.0;txq2@0000:00:04.0;txq3@0000:00:04.0;txq4@0000:00:04.0;txq5@0000:00:04.0;txq6@0000:00:04.0;txq7@0000:00:04.0;txq8@0000:00:04.1;txq9@0000:00:04.1;txq10@0000:00:04.1;txq11@0000:00:04.1;txq12@0000:00:04.1;txq13@0000:00:04.1;txq14@0000:00:04.1;txq15@0000:00:04.1;rxq0@0000:00:04.2;rxq1@0000:00:04.2;rxq2@0000:00:04.2;rxq3@0000:00:04.2;rxq4@0000:00:04.2;rxq5@0000:00:04.2;rxq6@0000:00:04.2;rxq7@0000:00:04.2;rxq8@0000:00:04.3;rxq9@0000:00:04.3;rxq10@0000:00:04.3;rxq11@0000:00:04.3;rxq12@0000:00:04.3;rxq13@0000:00:04.3;rxq14@0000:00:04.3;rxq15@0000:00:04.3]' \
+    -- -i --nb-cores=16 --txd=1024 --rxd=1024 --rxq=16 --txq=16
     testpmd> start
 
 2. Launch VM::
 
-	taskset -c 32-33 \
-	qemu-system-x86_64 -name us-vhost-vm1 \
+	taskset -c 32-33 qemu-system-x86_64 -name vm1 \
 	-cpu host -enable-kvm -m 2048 -object memory-backend-file,id=mem,size=2048M,mem-path=/mnt/huge,share=on -numa node,memdev=mem -mem-prealloc \
-	-smp cores=1,sockets=1 -drive file=/home/osimg/ubuntu2004_1.img \
-	-monitor unix:/tmp/vm2_monitor.sock,server,nowait -device e1000,netdev=nttsip1 \
-	-netdev user,id=nttsip1,hostfwd=tcp:127.0.0.1:6000-:22 \
-	-chardev socket,id=char1,path=./vhost-net -netdev type=vhost-user,id=mynet1,chardev=char1,vhostforce \
-	-device virtio-net-pci,mac=52:54:00:00:00:02,netdev=mynet1,mrg_rxbuf=on,csum=on,gso=on,guest_csum=on,host_tso4=on,guest_tso4=on,guest_ecn=on  \
+	-smp cores=1,sockets=1 -drive file=/home/osimg/ubuntu2004.img \
+	-monitor unix:/tmp/vm2_monitor.sock,server,nowait \
+	-device e1000,netdev=nttsip1 -netdev user,id=nttsip1,hostfwd=tcp:127.0.0.1:6000-:22 \
+	-chardev socket,id=char1,path=./vhost-net \
+	-netdev type=vhost-user,id=mynet1,chardev=char1,vhostforce \
+	-device virtio-net-pci,mac=52:54:00:00:00:02,netdev=mynet1,mrg_rxbuf=on,csum=on,gso=on,guest_csum=on,host_tso4=on,guest_tso4=on,guest_ecn=on \
 	-vnc :11 -daemonize
 
 3. On VM1, configure virtio device IP and enable vitio-net with 16 quques::
@@ -218,4 +221,3 @@ This case tests the packed ring virtio-net event idx interrupt with 16 queues an
     testpmd> stop
     testpmd> start
     testpmd> stop
-
