[ 1620.637212][T21846] veth0: entered allmulticast mode
[ 1620.638069][T21846] veth1: entered allmulticast mode
[ 1620.639265][T21846] veth2: entered allmulticast mode
[ 1620.639811][T21846] veth3: entered allmulticast mode
[ 1645.181058][T21846] veth0: left allmulticast mode
[ 1645.181550][T21846] veth1: left allmulticast mode
[ 1645.181980][T21846] veth2: left allmulticast mode
[ 1645.182387][T21846] veth3: left allmulticast mode