[ 1521.005049][ T4440] veth0: entered allmulticast mode
[ 1521.005942][ T4440] veth1: entered allmulticast mode
[ 1521.006288][ T4440] veth2: entered allmulticast mode
[ 1521.006632][ T4440] veth3: entered allmulticast mode
[ 1546.762022][ T4440] veth0: left allmulticast mode
[ 1546.762339][ T4440] veth1: left allmulticast mode
[ 1546.762548][ T4440] veth2: left allmulticast mode
[ 1546.762796][ T4440] veth3: left allmulticast mode