[ 1650.512827][ T8220] veth0: entered allmulticast mode
[ 1650.513381][ T8220] veth1: entered allmulticast mode
[ 1650.513745][ T8220] veth2: entered allmulticast mode
[ 1650.514088][ T8220] veth3: entered allmulticast mode
[ 1677.166873][ T8220] veth0: left allmulticast mode
[ 1677.167175][ T8220] veth1: left allmulticast mode
[ 1677.167409][ T8220] veth2: left allmulticast mode
[ 1677.167674][ T8220] veth3: left allmulticast mode