[ 2016.613854][T20020] veth0: entered allmulticast mode
[ 2016.616179][T20020] veth1: entered allmulticast mode
[ 2016.617173][T20020] veth2: entered allmulticast mode
[ 2016.617741][T20020] veth3: entered allmulticast mode
[ 2040.655262][T20020] veth0: left allmulticast mode
[ 2040.656034][T20020] veth1: left allmulticast mode
[ 2040.656495][T20020] veth2: left allmulticast mode
[ 2040.656908][T20020] veth3: left allmulticast mode