[  873.271013][T21308] veth0: entered allmulticast mode
[  873.271417][T21308] veth1: entered allmulticast mode
[  873.271674][T21308] veth2: entered allmulticast mode
[  873.271915][T21308] veth3: entered allmulticast mode
[  884.709670][T21308] veth0: left allmulticast mode
[  884.710042][T21308] veth1: left allmulticast mode
[  884.710344][T21308] veth2: left allmulticast mode
[  884.710644][T21308] veth3: left allmulticast mode