[  912.114124][T21456] veth0: entered allmulticast mode
[  912.114512][T21456] veth1: entered allmulticast mode
[  912.114797][T21456] veth2: entered allmulticast mode
[  912.115071][T21456] veth3: entered allmulticast mode
[  923.439422][T21456] veth0: left allmulticast mode
[  923.439763][T21456] veth1: left allmulticast mode
[  923.439964][T21456] veth2: left allmulticast mode
[  923.440172][T21456] veth3: left allmulticast mode