[  720.324403][T21170] veth0: entered allmulticast mode
[  720.324760][T21170] veth1: entered allmulticast mode
[  720.325003][T21170] veth2: entered allmulticast mode
[  720.325230][T21170] veth3: entered allmulticast mode
[  730.930684][T21170] veth0: left allmulticast mode
[  730.931009][T21170] veth1: left allmulticast mode
[  730.931238][T21170] veth2: left allmulticast mode
[  730.931461][T21170] veth3: left allmulticast mode