[ 2318.401854][T20601] veth0: entered allmulticast mode
[ 2318.402602][T20601] veth1: entered allmulticast mode
[ 2318.403123][T20601] veth2: entered allmulticast mode
[ 2318.403624][T20601] veth3: entered allmulticast mode
[ 2342.774797][T20601] veth0: left allmulticast mode
[ 2342.775365][T20601] veth1: left allmulticast mode
[ 2342.775816][T20601] veth2: left allmulticast mode
[ 2342.776272][T20601] veth3: left allmulticast mode