[  994.467710][T20622] veth0: entered allmulticast mode
[  994.468235][T20622] veth1: entered allmulticast mode
[  994.468562][T20622] veth2: entered allmulticast mode
[  994.468888][T20622] veth3: entered allmulticast mode
[ 1005.534008][T20622] veth0: left allmulticast mode
[ 1005.534267][T20622] veth1: left allmulticast mode
[ 1005.534457][T20622] veth2: left allmulticast mode
[ 1005.534638][T20622] veth3: left allmulticast mode