[  730.892073][ T8022] veth0: entered allmulticast mode
[  730.892541][ T8022] veth1: entered allmulticast mode
[  730.892872][ T8022] veth2: entered allmulticast mode
[  730.893202][ T8022] veth3: entered allmulticast mode
[  742.382000][ T8022] veth0: left allmulticast mode
[  742.382269][ T8022] veth1: left allmulticast mode
[  742.382476][ T8022] veth2: left allmulticast mode
[  742.382667][ T8022] veth3: left allmulticast mode