[  742.873708][T20818] veth0: entered allmulticast mode
[  742.874092][T20818] veth1: entered allmulticast mode
[  742.874348][T20818] veth2: entered allmulticast mode
[  742.874582][T20818] veth3: entered allmulticast mode
[  753.920269][T20818] veth0: left allmulticast mode
[  753.920499][T20818] veth1: left allmulticast mode
[  753.920671][T20818] veth2: left allmulticast mode
[  753.920842][T20818] veth3: left allmulticast mode