[ 1009.236230][T21855] veth0: entered allmulticast mode
[ 1009.236654][T21855] veth1: entered allmulticast mode
[ 1009.236958][T21855] veth2: entered allmulticast mode
[ 1009.237261][T21855] veth3: entered allmulticast mode
[ 1019.948955][T21855] veth0: left allmulticast mode
[ 1019.949211][T21855] veth1: left allmulticast mode
[ 1019.949385][T21855] veth2: left allmulticast mode
[ 1019.949560][T21855] veth3: left allmulticast mode