# ptf host interface @ switch front port name
0@Ethernet1
1@Ethernet2
2@Ethernet3
3@Ethernet4
4@Ethernet5
5@Ethernet6
6@Ethernet7
7@Ethernet8
8@Ethernet9
9@Ethernet10
10@Ethernet11
11@Ethernet12
12@Ethernet13
13@Ethernet14
14@Ethernet15
15@Ethernet16
16@Ethernet17
17@Ethernet18
18@Ethernet19
19@Ethernet20
20@Ethernet21
21@Ethernet22
22@Ethernet23
23@Ethernet24
24@Ethernet25
25@Ethernet26
26@Ethernet27
27@Ethernet28
28@Ethernet29
29@Ethernet30
30@Ethernet31
31@Ethernet32