[  820.917686][T20067] veth0: entered allmulticast mode
[  820.918140][T20067] veth1: entered allmulticast mode
[  820.918443][T20067] veth2: entered allmulticast mode
[  820.918741][T20067] veth3: entered allmulticast mode
[  832.231566][T20067] veth0: left allmulticast mode
[  832.231876][T20067] veth1: left allmulticast mode
[  832.232124][T20067] veth2: left allmulticast mode
[  832.232350][T20067] veth3: left allmulticast mode