[ 1227.895482][T20421] veth0: entered allmulticast mode
[ 1227.896301][T20421] veth1: entered allmulticast mode
[ 1227.896948][T20421] veth2: entered allmulticast mode
[ 1227.897510][T20421] veth3: entered allmulticast mode
[ 1251.596334][T20421] veth0: left allmulticast mode
[ 1251.596806][T20421] veth1: left allmulticast mode
[ 1251.597222][T20421] veth2: left allmulticast mode
[ 1251.597616][T20421] veth3: left allmulticast mode