tcp flows between VM and vrouter(metadata) not getting deleted (Stuck as Unknown)

[Vedamurthy Joshi]

R2.20 Build 108 with a vrouter having fix for bug 1506233

From compute node, ssh to a VM and exit. It is seen that these flows dont get deleted

root@nodek1:/var/log# 2015-11-20 Fri 11:14:20:593.590 IST nodek1 [Thread 139921368684288, Pid 2075]: VrResponseMsg Error: Device or resource busy
2015-11-20 Fri 11:14:20:593.817 IST nodek1 [Thread 139921368684288, Pid 2075]: VRouter operation failed. Error <16:Device or resource busy>. Object <Flow : 217144 with Source IP: 184.175.204.3 Source port: 22 Destination IP: 169.254.169.254 Destination port: 55213 Protocol 6>. Operation <Deletion>. Message number :4569
2015-11-20 Fri 11:14:20:593.947 IST nodek1 [Thread 139921351890688, Pid 2075]: VrResponseMsg Error: Device or resource busy
2015-11-20 Fri 11:14:20:593.982 IST nodek1 [Thread 139919162865408, Pid 2075]: VRouter [SYS_ERR]: VRouterError: VRouter operation failed. Error < 16 : Device or resource busy >. Object < Flow : 217144 with Source IP: 184.175.204.3 Source port: 22 Destination IP: 169.254.169.254 Destination port: 55213 Protocol 6 >. Operation < Deletion >. Message number : 4569 controller/src/ksync/ksync_object.cc 436
2015-11-20 Fri 11:14:20:594.071 IST nodek1 [Thread 139921351890688, Pid 2075]: VRouter operation failed. Error <16:Device or resource busy>. Object <Flow : 13928 with Source IP: 10.204.216.221 Source port: 55213 Destination IP: 169.254.0.3 Destination port: 22 Protocol 6>. Operation <Deletion>. Message number :4571
2015-11-20 Fri 11:14:20:594.362 IST nodek1 [Thread 139919162865408, Pid 2075]: VRouter [SYS_ERR]: VRouterError: VRouter operation failed. Error < 16 : Device or resource busy >. Object < Flow : 13928 with Source IP: 10.204.216.221 Source port: 55213 Destination IP: 169.254.0.3 Destination port: 22 Protocol 6 >. Operation < Deletion >. Message number : 4571 controller/src/ksync/ksync_object.cc 436
q
q: command not found
root@nodek1:/var/log#
root@nodek1:/var/log# flow -l |grep 217144
217144 184.175.204.3:22 169.254.169.254:55213 6 (1)
root@nodek1:/var/log# flow -l |grep 13928
 13928 10.204.216.221:55213 169.254.0.3:22 6 (0)
root@nodek1:/var/log#

[OpenContrail Admin (ci-admin-f)]

Review in progress for https://review.opencontrail.org/15459
Submitter: Naveen N (<email address hidden>)

[OpenContrail Admin (ci-admin-f)]

Reviewed: https://review.opencontrail.org/15459
Committed: http://github.org/Juniper/contrail-controller/commit/82a8ca34e922cb8db8104a4c83672c6d2b7f558f
Submitter: Zuul
Branch: R2.20

commit 82a8ca34e922cb8db8104a4c83672c6d2b7f558f
Author: Naveen N <email address hidden>
Date: Fri Nov 27 23:26:04 2015 +0530

Ensure that multiple reverse flows are not created.

Change-Id: I18c27a6096919c890ce5405b0db51f15952ca832
closes-bug: 1518184

[Naveen N (naveenn)]

Fixed in mainline with https://github.com/Juniper/contrail-controller/commit/8da0a187adcced5a59b2e7233b451530c474b26a