commit 5b9d637742a1a9001a8126ec98cc99495cbdf2fb
author Maciej enczykowski <maze@google.com> Sat Mar 30 05:30:24 2019 -0700
committer android-build-merger <android-build-merger@google.com> Sat Mar 30 05:30:24 2019 -0700
tree 20ae6f8e1ea2f9aca0c9603dfab3c780680be152
parent e9d8305b8c502ec65e74b0592f7abc197be3e955
parent 95da58bb1848ccdde2082b483f4fe62647d21ff1

clat - turn off spurious log messages caused by IPv6 packets am: 4e1601e533
am: 95da58bb18

Change-Id: I997f219909e35cb809a97e9550c8f354958c0122

clatd.c

diff --git a/clatd.c b/clatd.c
index 3ccceea..94a0f06 100644
--- a/clatd.c
+++ b/clatd.c
@@ -430,6 +430,11 @@
   }
 
   uint16_t proto = ntohs(tun_header->proto);
+  if (proto == ETH_P_IPV6) {
+    // kernel IPv6 stack spams us with router/neighbour solication,
+    // multicast group joins, etc. which otherwise fills the log...
+    return;
+  }
   if (proto != ETH_P_IP) {
     logmsg(ANDROID_LOG_WARN, "%s: unknown packet type = 0x%x", __func__, proto);
     return;