[  819.515250][T21160] veth0: entered allmulticast mode
[  819.515594][T21160] veth1: entered allmulticast mode
[  819.515832][T21160] veth2: entered allmulticast mode
[  819.516055][T21160] veth3: entered allmulticast mode
[  830.134285][T21160] veth0: left allmulticast mode
[  830.134521][T21160] veth1: left allmulticast mode
[  830.134694][T21160] veth2: left allmulticast mode
[  830.134871][T21160] veth3: left allmulticast mode