[  974.820567][T31321] veth0: entered allmulticast mode
[  974.820927][T31321] veth1: entered allmulticast mode
[  974.821226][T31321] veth2: entered allmulticast mode
[  974.821526][T31321] veth3: entered allmulticast mode
[  985.573707][T31321] veth0: left allmulticast mode
[  985.573930][T31321] veth1: left allmulticast mode
[  985.574107][T31321] veth2: left allmulticast mode
[  985.574275][T31321] veth3: left allmulticast mode