[ 1640.188328][ T8880] veth0: entered allmulticast mode
[ 1640.188862][ T8880] veth1: entered allmulticast mode
[ 1640.189718][ T8880] veth2: entered allmulticast mode
[ 1640.190046][ T8880] veth3: entered allmulticast mode
[ 1667.008741][ T8880] veth0: left allmulticast mode
[ 1667.009047][ T8880] veth1: left allmulticast mode
[ 1667.009312][ T8880] veth2: left allmulticast mode
[ 1667.009576][ T8880] veth3: left allmulticast mode