Bug 1571295

Summary: Starting at kernel 4.16.0, KVM guests using VLANs are no longer able to communicate
Product: [Fedora] Fedora Reporter: David Hill <dhill>
Component: kernelAssignee: Kernel Maintainer List <kernel-maint>
Status: NEW --- QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: urgent Docs Contact:
Priority: urgent    
Version: rawhideCC: airlied, bskeggs, ewk, hdegoede, ichavero, itamar, jarodwilson, jglisse, john.j5live, jonathan, josef, kernel-maint, linville, mchehab, mjg59, steved
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Description David Hill 2018-04-24 13:15:17 UTC
Description of problem:
Starting at kernel 4.16.0, KVM guests using VLANs are no longer able to communicate

Version-Release number of selected component (if applicable):


How reproducible:
Always

Steps to Reproduce:
1. Update from 4.15-rc9 to 4.16
2.
3.

Actual results:
VLAN tags seems to be dropped 

Expected results:
VLAN communication shouldn't be dropped

Additional info:
I've reproduced this with 4.17.0 too so this issue has been around for a while.

Comment 1 François Rigault 2021-11-01 13:24:49 UTC
I just tried (2 Fedora guests running Fedora35) and it just works.