[  815.031963][T21756] veth0: entered allmulticast mode
[  815.032319][T21756] veth1: entered allmulticast mode
[  815.032579][T21756] veth2: entered allmulticast mode
[  815.032824][T21756] veth3: entered allmulticast mode
[  825.625077][T21756] veth0: left allmulticast mode
[  825.625327][T21756] veth1: left allmulticast mode
[  825.625549][T21756] veth2: left allmulticast mode
[  825.625720][T21756] veth3: left allmulticast mode