Repository navigation
Conversation
The Sentry configures veth and loopback with the maximum IP packet size. Since 66defd3, the Ethernet wrapper treats that value as a complete frame budget and subtracts the header. A veth MTU of 1500 consequently becomes 1486 for both netlink and the TCP route. Setting the loopback MTU has the same discrepancy that 35d3c6e originally fixed. Register both virtual devices with an Ethernet wrapper that uses the network MTU from the underlying endpoint. Both devices pass complete frames to the receiving stack and have no separate frame-size limit.
aaltinaydev
reviewed
Nov 4, 2026
aaltinaydev
left a comment
aaltinaydev
left a comment
There was a problem hiding this comment.
[🤖] Review agent has no findings.
Automated review agent. Please address valid findings before human review, or close them with a reason.
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Add this suggestion to a batch that can be applied as a single commit.This suggestion is invalid because no changes were made to the code.Suggestions cannot be applied while the pull request is closed.Suggestions cannot be applied while viewing a subset of changes.Only one suggestion per line can be applied in a batch.Add this suggestion to a batch that can be applied as a single commit.Applying suggestions on deleted lines is not supported.You must change the existing code in this line in order to create a valid suggestion.Outdated suggestions cannot be applied.This suggestion has been applied or marked resolved.Suggestions cannot be applied from pending reviews.Suggestions cannot be applied on multi-line comments.Suggestions cannot be applied while the pull request is queued to merge.Suggestion cannot be applied right now. Please check back later.
The Sentry configures veth and loopback with the maximum IP packet size.
Since 66defd3, the Ethernet wrapper treats that value as a complete
frame budget and subtracts the header. A veth MTU of 1500 consequently
becomes 1486 for both netlink and the TCP route. Setting the loopback
MTU has the same discrepancy that 35d3c6e originally fixed.
Register both virtual devices with an Ethernet wrapper that uses the
network MTU from the underlying endpoint. Both devices pass complete
frames to the receiving stack and have no separate frame-size limit.