[  974.820978][T15315] veth0: entered allmulticast mode
[  974.821404][T15315] veth1: entered allmulticast mode
[  974.821726][T15315] veth2: entered allmulticast mode
[  974.822031][T15315] veth3: entered allmulticast mode
[  986.008484][T15315] veth0: left allmulticast mode
[  986.008829][T15315] veth1: left allmulticast mode
[  986.009110][T15315] veth2: left allmulticast mode
[  986.009349][T15315] veth3: left allmulticast mode