[ 1606.959425][ T8334] veth0: entered allmulticast mode
[ 1606.966984][ T8334] veth1: entered allmulticast mode
[ 1606.967562][ T8334] veth2: entered allmulticast mode
[ 1606.967878][ T8334] veth3: entered allmulticast mode
[ 1611.056383][   T50] kworker/dying (50) used greatest stack depth: 23648 bytes left
[ 1634.656556][ T8334] veth0: left allmulticast mode
[ 1634.656895][ T8334] veth1: left allmulticast mode
[ 1634.657155][ T8334] veth2: left allmulticast mode
[ 1634.657395][ T8334] veth3: left allmulticast mode