[  839.297955] veth0: entered allmulticast mode
[  839.298009] veth1: entered allmulticast mode
[  839.298051] veth2: entered allmulticast mode
[  839.298090] veth3: entered allmulticast mode
[  846.413072] tc (12236) used greatest stack depth: 11672 bytes left
[  846.852238] veth0: left allmulticast mode
[  846.852361] veth1: left allmulticast mode
[  846.852479] veth2: left allmulticast mode
[  846.852581] veth3: left allmulticast mode