[  777.725831][T21241] veth0: entered allmulticast mode
[  777.726193][T21241] veth1: entered allmulticast mode
[  777.726428][T21241] veth2: entered allmulticast mode
[  777.726894][T21241] veth3: entered allmulticast mode
[  788.430146][T21241] veth0: left allmulticast mode
[  788.430441][T21241] veth1: left allmulticast mode
[  788.431419][T21241] veth2: left allmulticast mode
[  788.431686][T21241] veth3: left allmulticast mode