[ 1620.331675][T20297] veth0: entered allmulticast mode
[ 1620.332322][T20297] veth1: entered allmulticast mode
[ 1620.332876][T20297] veth2: entered allmulticast mode
[ 1620.333411][T20297] veth3: entered allmulticast mode
[ 1643.590805][T20297] veth0: left allmulticast mode
[ 1643.591287][T20297] veth1: left allmulticast mode
[ 1643.591703][T20297] veth2: left allmulticast mode
[ 1643.592108][T20297] veth3: left allmulticast mode