[  742.030728][T21686] veth0: entered allmulticast mode
[  742.031150][T21686] veth1: entered allmulticast mode
[  742.031494][T21686] veth2: entered allmulticast mode
[  742.031795][T21686] veth3: entered allmulticast mode
[  753.519012][T21686] veth0: left allmulticast mode
[  753.519377][T21686] veth1: left allmulticast mode
[  753.520747][T21686] veth2: left allmulticast mode
[  753.521044][T21686] veth3: left allmulticast mode