[ 2335.560200][T20531] veth0: entered allmulticast mode
[ 2335.561014][T20531] veth1: entered allmulticast mode
[ 2335.561565][T20531] veth2: entered allmulticast mode
[ 2335.562301][T20531] veth3: entered allmulticast mode
[ 2360.553511][T20531] veth0: left allmulticast mode
[ 2360.554012][T20531] veth1: left allmulticast mode
[ 2360.554425][T20531] veth2: left allmulticast mode
[ 2360.554820][T20531] veth3: left allmulticast mode