[ 1228.249946][T20302] veth0: entered allmulticast mode
[ 1228.252747][T20302] veth1: entered allmulticast mode
[ 1228.253301][T20302] veth2: entered allmulticast mode
[ 1228.254907][T20302] veth3: entered allmulticast mode
[ 1252.583862][T20302] veth0: left allmulticast mode
[ 1252.584440][T20302] veth1: left allmulticast mode
[ 1252.584833][T20302] veth2: left allmulticast mode
[ 1252.585228][T20302] veth3: left allmulticast mode