[  798.107214][T21505] veth0: entered allmulticast mode
[  798.107581][T21505] veth1: entered allmulticast mode
[  798.107828][T21505] veth2: entered allmulticast mode
[  798.108073][T21505] veth3: entered allmulticast mode
[  808.821376][T21505] veth0: left allmulticast mode
[  808.821675][T21505] veth1: left allmulticast mode
[  808.821924][T21505] veth2: left allmulticast mode
[  808.822178][T21505] veth3: left allmulticast mode