[NETVIRT-910] Flow is not deleted in Controller Node after Virtual NW deleted. Created: 13/Sep/17  Updated: 19/Oct/17  Resolved: 20/Sep/17

Status: Resolved
Project: netvirt
Component/s: General
Affects Version/s: Carbon
Fix Version/s: None

Type: Bug
Reporter: Ran Xiao Assignee: Unassigned
Resolution: Duplicate Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified
Environment:

Operating System: All
Platform: All

Issue Links:
Duplicate
duplicates NETVIRT-633 CSIT Sporadic failures - ElanService ... Resolved
External issue ID: 9155

 Description   

Environment Details:
OpenStack Version: stable/ocata
ODL Version: carbon-FR + L2GW related patches

Issue:
Flow is not deleted in Controller Node after Virtual NW deleted.
The flow is "table=36, priority=5, tun_id=0x.. " like below:
cookie=0x9001389, table=36, priority=5,tun_id=0x42a actions=write_metadata:0x1389000000/0xfffffffff000000,goto_table:51

Also checked http://127.0.0.1:8181/restconf/config/opendaylight-inventory:nodes/ and found that the flow with 'flow-name' as 'ITM Flow Entry :xxxx' is not deleted.

Reproduction steps:
1. Create NW
neutron net-create test-nw
neutron subnet-create test-nw 192.168.0.0/24 --enable-dhcp
2. Delete NW
neutron net-delete test-nw
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