[  667.944978][T21372] veth0: entered allmulticast mode
[  667.945274][T21372] veth1: entered allmulticast mode
[  667.945493][T21372] veth2: entered allmulticast mode
[  667.945695][T21372] veth3: entered allmulticast mode
[  677.326514][T21372] veth0: left allmulticast mode
[  677.326679][T21372] veth1: left allmulticast mode
[  677.326790][T21372] veth2: left allmulticast mode
[  677.326898][T21372] veth3: left allmulticast mode