[  655.864494][T22155] veth0: entered allmulticast mode
[  655.864917][T22155] veth1: entered allmulticast mode
[  655.865196][T22155] veth2: entered allmulticast mode
[  655.865464][T22155] veth3: entered allmulticast mode
[  664.392008][T22260] tc (22260) used greatest stack depth: 24016 bytes left
[  666.849659][T22155] veth0: left allmulticast mode
[  666.849921][T22155] veth1: left allmulticast mode
[  666.850169][T22155] veth2: left allmulticast mode
[  666.850398][T22155] veth3: left allmulticast mode