[ 2973.889655][T11811] veth0: entered allmulticast mode
[ 2973.890150][T11811] veth1: entered allmulticast mode
[ 2973.890499][T11811] veth2: entered allmulticast mode
[ 2973.890860][T11811] veth3: entered allmulticast mode
[ 3001.515988][T11811] veth0: left allmulticast mode
[ 3001.516331][T11811] veth1: left allmulticast mode
[ 3001.516571][T11811] veth2: left allmulticast mode
[ 3001.516836][T11811] veth3: left allmulticast mode