Bug 1832170
Summary: | Cannot bring up ip6gre tunnel connection via NetworkManager | ||||||
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Product: | Red Hat Enterprise Linux 7 | Reporter: | Vladimir Benes <vbenes> | ||||
Component: | NetworkManager | Assignee: | Beniamino Galvani <bgalvani> | ||||
Status: | CLOSED ERRATA | QA Contact: | Desktop QE <desktop-qa-list> | ||||
Severity: | high | Docs Contact: | |||||
Priority: | unspecified | ||||||
Version: | 7.9 | CC: | acardace, atragler, bgalvani, dbragalo, desktop-qa-list, fgiudici, fpokryvk, lrintel, ptalbert, pvlasin, rkhan, sukulkar, thaller, till, tpelka, vbenes | ||||
Target Milestone: | rc | Keywords: | Regression | ||||
Target Release: | --- | ||||||
Hardware: | x86_64 | ||||||
OS: | Linux | ||||||
Whiteboard: | |||||||
Fixed In Version: | Doc Type: | If docs needed, set a value | |||||
Doc Text: | Story Points: | --- | |||||
Clone Of: | 1704308 | Environment: | |||||
Last Closed: | 2020-09-29 20:30:25 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: | |||||||
Bug Depends On: | 1704308 | ||||||
Bug Blocks: | |||||||
Attachments: |
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Comment 6
Beniamino Galvani
2020-05-06 14:56:55 UTC
> On master the default value for cloned-mac-address is 'preserve' and > so there is the guarantee that NM never tries to change the MAC for L3 > tunnels. > > RHEL7 has a downstream patch that changes the default > cloned-mac-address to 'permanent'; therefore we have to ensure that > the tunnel mode allows it before trying to change the MAC. Yes, this default makes it more critical, but it's an issue in general. "never tries to change" is not true. As always, it depends on the configuration. "ethernet.cloned-mac-address" should behave sensibly, regardless of what's the default it. The patch looks god to me, but I think we should not backport to RHEL-7 only. As always, let's fix the issue on master first, then on nm-1-24 (preferably by cherry-picking), then on nm-1-22, etc.pp. Maybe on master it doesn't apply exactly the same way. So on master it may need a different solution (or is already fixed). I think it's important to ensure that every fix in a version is also fixed in all newer versions. I've opened a merge request to fix the problem on master: https://gitlab.freedesktop.org/NetworkManager/NetworkManager/-/merge_requests/503 test passing now. 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 (Moderate: NetworkManager security and bug fix 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/RHSA-2020:4003 |