[ 1683.247261][ T7521] veth0: entered allmulticast mode
[ 1683.248095][ T7521] veth1: entered allmulticast mode
[ 1683.248631][ T7521] veth2: entered allmulticast mode
[ 1683.249204][ T7521] veth3: entered allmulticast mode
[ 1708.169648][ T7521] veth0: left allmulticast mode
[ 1708.170120][ T7521] veth1: left allmulticast mode
[ 1708.170520][ T7521] veth2: left allmulticast mode
[ 1708.170905][ T7521] veth3: left allmulticast mode