[ 1516.919647][ T4421] veth0: entered allmulticast mode
[ 1516.920160][ T4421] veth1: entered allmulticast mode
[ 1516.920486][ T4421] veth2: entered allmulticast mode
[ 1516.920796][ T4421] veth3: entered allmulticast mode
[ 1542.472574][ T4421] veth0: left allmulticast mode
[ 1542.472841][ T4421] veth1: left allmulticast mode
[ 1542.473071][ T4421] veth2: left allmulticast mode
[ 1542.473316][ T4421] veth3: left allmulticast mode