[ 2234.985299][T20757] veth0: entered allmulticast mode
[ 2234.986128][T20757] veth1: entered allmulticast mode
[ 2234.986679][T20757] veth2: entered allmulticast mode
[ 2234.987196][T20757] veth3: entered allmulticast mode
[ 2257.704082][T20757] veth0: left allmulticast mode
[ 2257.704569][T20757] veth1: left allmulticast mode
[ 2257.704980][T20757] veth2: left allmulticast mode
[ 2257.705375][T20757] veth3: left allmulticast mode