[  830.671768][T21691] veth0: entered allmulticast mode
[  830.672197][T21691] veth1: entered allmulticast mode
[  830.672497][T21691] veth2: entered allmulticast mode
[  830.672809][T21691] veth3: entered allmulticast mode
[  841.348524][T21691] veth0: left allmulticast mode
[  841.348772][T21691] veth1: left allmulticast mode
[  841.348944][T21691] veth2: left allmulticast mode
[  841.349114][T21691] veth3: left allmulticast mode