diff --git a/sdk_container/src/third_party/portage-stable/changelog/updates/2021-11-30-kernel-update.md b/sdk_container/src/third_party/portage-stable/changelog/updates/2021-11-30-kernel-update.md
new file mode 100644
index 0000000000..61b593fe00
--- /dev/null
+++ b/sdk_container/src/third_party/portage-stable/changelog/updates/2021-11-30-kernel-update.md
@@ -0,0 +1,3 @@
+- perf ([5.15](https://kernelnewbies.org/LinuxChanges#Linux_5.15.Tracing.2C_perf_and_BPF))
+- iproute2 ([5.15](https://lwn.net/ml/linux-kernel/20211101164705.6f4f2e41%40hermes.local/))
+- Linux headers ([5.15](https://lwn.net/Articles/876611/))