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Bug 2170299

Summary: [ovn][bgp] VM takes several minutes to obtain its IPv6 address (slaac - provider network)
Product: Red Hat Enterprise Linux Fast Datapath Reporter: OVN Bot <ovn-bot>
Component: ovn22.12Assignee: lorenzo bianconi <lorenzo.bianconi>
Status: CLOSED ERRATA QA Contact: Jianlin Shi <jishi>
Severity: high Docs Contact:
Priority: high    
Version: RHEL 9.0CC: chrisw, ctrautma, dceara, jiji, lorenzo.bianconi, mmichels, ralongi, ralonsoh, scohen
Target Milestone: ---   
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard:
Fixed In Version: ovn22.12-22.12.0-24.el9fdp Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2023-04-13 09:04:58 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:

Description OVN Bot 2023-02-16 05:06:53 UTC 
This is an automatically-generated clone of issue https://bugzilla.redhat.com/show_bug.cgi?id=2154930
Comment 3 Jianlin Shi 2023-03-20 07:12:53 UTC 
tested with reproducer in https://bugzilla.redhat.com/show_bug.cgi?id=2170305#c3.

reproduced on ovn22.12-22.12.0-4.el9:

[root@opicee-6 bz2170305]# rpm -qa | grep -E "openvswitch2.17|ovn22.12"
openvswitch2.17-2.17.0-72.el9fdp.x86_64
ovn22.12-22.12.0-4.el9fdp.x86_64
ovn22.12-central-22.12.0-4.el9fdp.x86_64
ovn22.12-host-22.12.0-4.el9fdp.x86_64

+ ip netns exec public1 join_group -f 6 -g ff05::2 -i public1                                         
+ ovn-sbctl list igmp_group
_uuid               : 0aaa80e8-c5a7-4bb1-9557-087c7aa49c0d                                            
address             : "ff02::1:ff00:23"
chassis             : 601beee3-8777-41b5-b4a3-76f604b3110a                                            
datapath            : d7df4cc7-8516-48ef-b0b4-f7a7c630ed9f
ports               : [57a4c5f2-6b61-4216-95f0-9513f86e0b2a]                                          

_uuid               : 93ab55b0-49f8-419d-8e2c-4ab416fb12ce                                            
address             : "ff05::2"
chassis             : 601beee3-8777-41b5-b4a3-76f604b3110a                                            
datapath            : d7df4cc7-8516-48ef-b0b4-f7a7c630ed9f
ports               : [57a4c5f2-6b61-4216-95f0-9513f86e0b2a]                                          

_uuid               : ed24897d-db41-46ab-b471-2b7de6b421b7                                            
address             : mrouters
chassis             : 601beee3-8777-41b5-b4a3-76f604b3110a                                            
datapath            : d7df4cc7-8516-48ef-b0b4-f7a7c630ed9f                                            
ports               : []                                                                              

_uuid               : 8e3c4d33-cb0c-48ce-91f8-b5c88074393b                                            
address             : "ff02::1:ff00:123"
chassis             : 601beee3-8777-41b5-b4a3-76f604b3110a                                            
datapath            : d7df4cc7-8516-48ef-b0b4-f7a7c630ed9f
ports               : [57a4c5f2-6b61-4216-95f0-9513f86e0b2a]                                          
+ ovn-sbctl lflow-list                                                                                
+ grep ff05
  table=25(ls_in_l2_lkup      ), priority=90   , match=(eth.mcast && ip6 && ip6.dst == ff05::2 ), action=(outport = "ff05::2"; output; )

Verified on ovn22.12-22.12.0-33.el9:

+ ip netns exec public1 join_group -f 6 -g ff05::2 -i public1
+ ovn-sbctl list igmp_group
_uuid               : 2e47d51c-86c8-4337-80d0-7f8ae82a354f
address             : "ff02::1:ff00:123"
chassis             : 232c2362-254d-4712-998f-c1ce4a18ec5b
datapath            : 870df38f-cb00-4826-9358-8b7ba72cb36b
ports               : [b7bd7140-f8da-4850-a089-1d5e16489c0c]

_uuid               : 300d56ad-2e0d-40bb-9ca6-ee363e68ad15
address             : "ff05::2"
chassis             : 232c2362-254d-4712-998f-c1ce4a18ec5b
datapath            : 870df38f-cb00-4826-9358-8b7ba72cb36b
ports               : [b7bd7140-f8da-4850-a089-1d5e16489c0c]

_uuid               : f3d343fd-a26b-45f0-9954-6e3bbdf4ca29
address             : mrouters
chassis             : 232c2362-254d-4712-998f-c1ce4a18ec5b
datapath            : 870df38f-cb00-4826-9358-8b7ba72cb36b
ports               : []

_uuid               : 0dc20793-d09a-4f82-b885-5f1dd96f385c
address             : "ff02::1:ff00:23"
chassis             : 232c2362-254d-4712-998f-c1ce4a18ec5b
datapath            : 870df38f-cb00-4826-9358-8b7ba72cb36b
ports               : [b7bd7140-f8da-4850-a089-1d5e16489c0c]
+ ovn-sbctl lflow-list
+ grep ff05
[root@opicee-6 bz2170305]# rpm -qa | grep -E "openvswitch2.17|ovn22.12"
openvswitch2.17-2.17.0-72.el9fdp.x86_64
ovn22.12-22.12.0-33.el9fdp.x86_64
ovn22.12-central-22.12.0-33.el9fdp.x86_64
ovn22.12-host-22.12.0-33.el9fdp.x86_64
Comment 5 errata-xmlrpc 2023-04-13 09:04:58 UTC 
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory (ovn22.12 bug fix and enhancement update), and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHBA-2023:1772