-#
-```shell
-
-```
-#
+# 01
```shell
thy@thy-Z370-HD3:~$ sudo ip netns exec vnet1 ip neigh
thy@thy-Z370-HD3:~$
-
```
-#
+# 02
```shell
thy@thy-Z370-HD3:~/hack/linux/linuxyz/spoof-arp$ sudo ip netns exec vnet1 ping 11.168.0.1
PING 11.168.0.1 (11.168.0.1) 56(84) bytes of data.
```
-#
+# 03
```shell
thy@thy-Z370-HD3:~$ sudo ip netns exec vnet1 ip neigh
```
-#
+# 04
```shell
thy@thy-Z370-HD3:~/hack/linux/linuxyz/spoof-arp$ sudo ip netns exec vnet2 ./spoof.out g
```
-#
+# 05
```shell
thy@thy-Z370-HD3:~/hack/linux/linuxyz$ sudo ip netns exec vnet0 tshark -i vbr0
```
-#
+# 06
```shell
thy@thy-Z370-HD3:~$ sudo ip netns exec vnet1 ip neigh
11.168.0.200 dev veth11 lladdr 22:e8:90:6d:69:e5 STALE
```
-#
+# 07
```shell
thy@thy-Z370-HD3:~/hack/linux/linuxyz/spoof-arp$ sudo ip netns exec vnet2 ./spoof.out g
```
-#
+# 08
```shell
Frame 4: 42 bytes on wire (336 bits), 42 bytes captured (336 bits) on interface vbr0, id 0
Section number: 1
```
-#
+# 09
```shell
thy@thy-Z370-HD3:~/hack/linux/linuxyz$ sudo ip netns exec vnet0 tshark -i vbr0 -f "icmp"
```
-#
+# 10
```shell
thy@thy-Z370-HD3:~/hack/linux/linuxyz/spoof-arp$ sudo ip netns exec vnet1 ping 11.168.0.1
```
-#
+# 11
```shell