[  637.988698][ T6610] veth0: entered allmulticast mode
[  637.989244][ T6610] veth1: entered allmulticast mode
[  637.989684][ T6610] veth2: entered allmulticast mode
[  637.990069][ T6610] veth3: entered allmulticast mode
[  637.990476][ T6610] veth4: entered allmulticast mode
[  637.990871][ T6610] veth5: entered allmulticast mode
[  647.244249][ T6844] tc (6844) used greatest stack depth: 23264 bytes left
[  650.665878][ T6610] veth0: left allmulticast mode
[  650.666259][ T6610] veth1: left allmulticast mode
[  650.666627][ T6610] veth2: left allmulticast mode
[  650.666954][ T6610] veth3: left allmulticast mode
[  650.667273][ T6610] veth4: left allmulticast mode
[  650.667618][ T6610] veth5: left allmulticast mode