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L2 announce: MCAST neigh solicitation pkts targetting VIPs are dropped by some NICs

area/datapathImpacts bpf/ or low-level forwarding details, including map management and monitor messages.Impacts bpf/ or low-level forwarding details, including map management and monitor messages.

feature/ipv6Relates to IPv6 protocol supportRelates to IPv6 protocol support

feature/l2-announcement

kind/bugThis is a bug in the Cilium logic.This is a bug in the Cilium logic.

kind/community-reportThis was reported by a user in the Cilium community, eg via Slack.This was reported by a user in the Cilium community, eg via Slack.

needs/triageThis issue requires triaging to establish severity and next steps.This issue requires triaging to establish severity and next steps.

release-blocker/1.19This issue will prevent the release of the next version of Cilium.This issue will prevent the release of the next version of Cilium.

Status: Closed (completed).

#41678 In cilium/cilium;

· by msune was closed on Oct 21, 2025

· 

1.19

Regression from terminating TCP sockets PR

release-blocker/1.19This issue will prevent the release of the next version of Cilium.This issue will prevent the release of the next version of Cilium.

sig/scalabilityImpacts how well Cilium handles a high rate of events or churn.Impacts how well Cilium handles a high rate of events or churn.

Status: Closed (completed).

#40463 In cilium/cilium;

· by marseel was closed on Jul 14, 2025

· 

1.19

Add allocator and datapath plumbing for cookie-based policy logging

kind/enhancementThis would improve or streamline existing functionality.This would improve or streamline existing functionality.

ready-to-mergeThis PR has passed all tests and received consensus from code owners to merge.This PR has passed all tests and received consensus from code owners to merge.

release-blocker/1.19This issue will prevent the release of the next version of Cilium.This issue will prevent the release of the next version of Cilium.

release-note/miscThis PR makes changes that have no direct user impact.This PR makes changes that have no direct user impact.

sig/policyImpacts whether traffic is allowed or denied based on user-defined policies.Impacts whether traffic is allowed or denied based on user-defined policies.

Status: Merged (completed).

cilium/ciliumnumber 40023

#40023 In cilium/cilium;

· by tklauser was closed on Oct 10, 2025

· 

1.19

[1.19] agent: Remove --enable-svc-source-range-check flag

area/agentCilium agent related.Cilium agent related.

area/loadbalancingImpacts load-balancing and Kubernetes service implementationsImpacts load-balancing and Kubernetes service implementations

release-blocker/1.19This issue will prevent the release of the next version of Cilium.This issue will prevent the release of the next version of Cilium.

Status: Closed (completed).

#39900 In cilium/cilium;

· by brb was closed on Aug 20, 2025

· 

1.19

Rethink KPR sub-flags

area/agentCilium agent related.Cilium agent related.

area/kprAnything related to our kube-proxy replacement.Anything related to our kube-proxy replacement.

area/loadbalancingImpacts load-balancing and Kubernetes service implementationsImpacts load-balancing and Kubernetes service implementations

kind/metaMeta-task for co-ordination.Meta-task for co-ordination.

release-blocker/1.19This issue will prevent the release of the next version of Cilium.This issue will prevent the release of the next version of Cilium.

Status: Closed (completed).

#39882 In cilium/cilium;

· by brb was closed on Sep 1, 2025

· 

1.19

[1.19] agent: Remove --enable-internal-traffic-policy

area/agentCilium agent related.Cilium agent related.

area/loadbalancingImpacts load-balancing and Kubernetes service implementationsImpacts load-balancing and Kubernetes service implementations

release-blocker/1.19This issue will prevent the release of the next version of Cilium.This issue will prevent the release of the next version of Cilium.

Status: Closed (completed).

#39851 In cilium/cilium;

· by brb was closed on Aug 20, 2025

· 

1.19

[1.19] agent: Remove --enable-recorder

area/agentCilium agent related.Cilium agent related.

area/hubbleImpacts hubble server or relayImpacts hubble server or relay

area/loadbalancingImpacts load-balancing and Kubernetes service implementationsImpacts load-balancing and Kubernetes service implementations

pinnedThese issues are not marked stale by our issue bot.These issues are not marked stale by our issue bot.

release-blocker/1.19This issue will prevent the release of the next version of Cilium.This issue will prevent the release of the next version of Cilium.

Status: Closed (completed).

#39586 In cilium/cilium;

· by brb was closed on Aug 19, 2025

· 

1.19

[1.19] agent: Remove --enable-session-affinity

area/agentCilium agent related.Cilium agent related.

release-blocker/1.19This issue will prevent the release of the next version of Cilium.This issue will prevent the release of the next version of Cilium.

Status: Closed (completed).

#39583 In cilium/cilium;

· by brb was closed on Aug 20, 2025

· 

1.19

[v1.19] agent: Remove --enable-{nodeport,hostport,externalips}

area/agentCilium agent related.Cilium agent related.

area/loadbalancingImpacts load-balancing and Kubernetes service implementationsImpacts load-balancing and Kubernetes service implementations

release-blocker/1.19This issue will prevent the release of the next version of Cilium.This issue will prevent the release of the next version of Cilium.

Status: Closed (completed).

#39582 In cilium/cilium;

· by brb was closed on Sep 1, 2025

· 

1.19

[1.19] Remove <code>ENABLE_CUSTOM_CALLS</code>

area/datapathImpacts bpf/ or low-level forwarding details, including map management and monitor messages.Impacts bpf/ or low-level forwarding details, including map management and monitor messages.

area/loaderImpacts the loading of BPF programs into the kernel.Impacts the loading of BPF programs into the kernel.

pinnedThese issues are not marked stale by our issue bot.These issues are not marked stale by our issue bot.

release-blocker/1.19This issue will prevent the release of the next version of Cilium.This issue will prevent the release of the next version of Cilium.

Status: Closed (completed).

#38722 In cilium/cilium;

· by ti-mo was closed on Oct 10, 2025

· 

1.19