I wonder whether VirtualEthernet0/0/1 has been deleted and created again while 
sub-interface BonEthernet0.1514 was created in between.  Looking at the 
sw_if_index for these interfaces:

·        VirtualEthernet0/0/0 => 5

·        BonEthernet0.1514 => 6

·        VirtualEthernet0/0/1 => 7

I wonder whether VirtualEthernet0/0/1 had sw_if_index 6, was deleted, with 
sw_if_index 6 reused by BonEthernet0.1514, then created again and now got 
sw_if_index 7.  Now, “show int rx” still had the old sw_if_index of 6 for 
vhost-user-input queue assignments hence displaying stale information.

Regards,
John

From: vpp-dev-boun...@lists.fd.io [mailto:vpp-dev-boun...@lists.fd.io] On 
Behalf Of Steven Luong (sluong)
Sent: Thursday, June 29, 2017 10:26 AM
To: Yichen Wang (yicwang) <yicw...@cisco.com>; Denis Lotarev via vpp-dev 
<vpp-dev@lists.fd.io>
Subject: Re: [vpp-dev] VPP interface parsing error?

Yichen,

We need more information for the problem as described. Does the problem just 
show up when you configure VPP? If that is the case, please unicast me the 
config and procedure to recreate the problem. If it is difficult to reproduce, 
please run the debug image with gdb and I can work with you when you got it to 
happen.

Steven

From: <vpp-dev-boun...@lists.fd.io<mailto:vpp-dev-boun...@lists.fd.io>> on 
behalf of "Yichen Wang (yicwang)" <yicw...@cisco.com<mailto:yicw...@cisco.com>>
Date: Wednesday, June 28, 2017 at 6:05 PM
To: Denis Lotarev via vpp-dev <vpp-dev@lists.fd.io<mailto:vpp-dev@lists.fd.io>>
Subject: [vpp-dev] VPP interface parsing error?

Hi, VPP folks,

I am on latest VPP 17.07-rc1, and saw an interface parsing error.

vpp# show int
              Name               Idx       State          Counter          Count
BondEthernet0                     3         up       rx packets            
1955066091
                                                     rx bytes            
125124243370
                                                     tx packets            
1508472227
                                                     tx bytes             
96542222800
                                                     drops                      
  317
                                                     rx-miss               
1328405166
BondEthernet0.1527                4         up       rx packets            
1422663050
                                                     rx bytes             
91050435200
                                                     tx packets             
532269842
                                                     tx bytes             
34065269888
                                                     drops                      
    1
BondEthernet0.1514                6         up       rx packets             
532402727
                                                     rx bytes             
34073774528
                                                     tx packets             
976202368
                                                     tx bytes             
62476951552
                                                     drops                      
    2
TenGigabitEthernet81/0/1          2     bond-slave   rx-miss               
1109342837
TenGigabitEthernete/0/1           1     bond-slave   rx-miss                
219062329
VirtualEthernet0/0/0              5         up       rx packets             
532269844
                                                     rx bytes             
31936190640
                                                     tx packets            
1422663049
                                                     tx bytes             
85359782940
                                                     drops                  
430668918
VirtualEthernet0/0/1              7         up       rx packets             
976202370
                                                     rx bytes             
58572142200
                                                     tx packets             
532402725
                                                     tx bytes             
31944163500
                                                     drops                      
27063
local0                            0        down

vpp# show interface rx-pl
Thread 1 (vpp_wk_0):
  node dpdk-input:
    TenGigabitEthernete/0/1 queue 0 (polling)
    TenGigabitEthernet81/0/1 queue 0 (polling)
    BondEthernet0 queue 0 (polling)
Thread 2 (vpp_wk_1):
  node dpdk-input:
    TenGigabitEthernete/0/1 queue 1 (polling)
    TenGigabitEthernet81/0/1 queue 1 (polling)
    BondEthernet0 queue 1 (polling)
Thread 3 (vpp_wk_2):
  node vhost-user-input:
    BondEthernet0.1527 queue 0 (polling)
Thread 4 (vpp_wk_3):
  node vhost-user-input:
    VirtualEthernet0/0/0 queue 0 (polling)

It is clearly wrong for the CLI above. BondEthernet0.1527 cannot be in 
vhost-user-input node. Also “show vhost” also confirms that Thread 3 should 
have VirtualEthernet0/0/0 and Thread 4 should have VirtualEthernet0/0/1. So I 
believe this is just the names shown here are wrong, but this will be really 
confusing… ☺

Thanks very much!

Regards,
Yichen
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